Vietnam 3D Eye Tracking Software Market (2026-2032) | Revenue, Consumer Insights, Drivers, Opportunities, Companies, Trends, Pricing Analysis, Value, Restraints, Supply, Competition, Demand, Analysis, Competitive, Forecast, Segmentation, Industry, Outlook, Strategic Insights, Segments, Strategy, Share, Size, Growth, Investment Trends, Challenges
Market Forecast By Product Type (Software, Hardware), By Application (Healthcare, Automotive, Gaming), By Technology (AI-Integrated, Non-AI Based), By End user (Research, Commercial) And Competitive Landscape
| Product Code: ETC11485364 | Publication Date: Apr 2025 | Updated Date: May 2026 | Product Type: Market Research Report | |
| Publisher: 6Wresearch | Author: Bhawna Singh | No. of Pages: 65 | No. of Figures: 34 | No. of Tables: 19 |
Vietnam 3D Eye Tracking Software Market Growth Rate
According to 6Wresearch internal database and industry insights, the Vietnam 3D Eye Tracking Software Market is estimated to grow at a compound annual growth rate (CAGR) of 24.8% during the forecast period (2026–2032).
Five-Year Growth Trajectory of Vietnam 3D Eye Tracking Software Market with Core Drivers
Below is an evaluation of the year-wise growth rate along with key country-specific growth drivers:
| Year | Est. Annual Growth (%) | Growth Drivers |
| 2021 | 12.1% | Rise of initial interest in local UI/UX study and digital optimization among Vietnamese software startups. |
| 2022 | 15.4% | More adoption of smart automation technology in factories based in Ho Chi Minh City and Hanoi. |
| 2023 | 18.2% | Increasing trend towards mobile and VR gaming systems among Vietnam’s huge youth tech community. |
| 2024 | 21.5% | Rapid advancement of digital technology and investments into intelligent Advanced Driver Assistance Systems. |
| 2025 | 23.9% | Development of dedicated technological research facilities and increasing usage of machine learning algorithms in diagnostics |
Topics Covered in the Vietnam 3D Eye Tracking Software Market Report
The Vietnam 3D Eye Tracking Software Industry report covers the market by product type, application, technology, and end user. The market report provides an unbiased and detailed analysis of ongoing market trends, opportunities, and drivers, which help stakeholders devise and align their market strategies according to the current and future market dynamics.
Vietnam 3D Eye Tracking Software Market Highlights
| Report Name |
Vietnam 3D Eye Tracking Software Market |
| Forecast period | 2026-2032 |
| CAGR | 24.8% |
| Market Size |
Advanced Analytics & Human-Machine Interaction (HMI) |
Vietnam 3D Eye Tracking Software Market Synopsis
Vietnam 3D Eye Tracking Software Market is an emerging segment within the broader AI, computer vision, and human-computer interaction industry, focused on software solutions that analyze and interpret human eye movements in real time. This technology employs highly sophisticated algorithms, which usually employ AI and machine learning techniques, to determine gaze direction, focus points, blinking behavior, and pupil movements, providing valuable insight on user behaviors. Further, Vietnam 3D eye tracking software market growth is gaining traction due to the rising adoption of gaming technologies, VR/AR platforms, automotive safety systems, and healthcare diagnostics tools.
Evaluation of Growth Drivers in Vietnam 3D Eye Tracking Software Market (2026–2032)
Below are some major drivers and their influence on the market dynamics:
| Drivers | Primary Segment Affected | Why It Matters (Evidence) |
| Government Initiatives | Research, Infrastructure | National high-tech industrial mandates and target grants designed to build local R&D depth are boosting institutional software acquisition. |
| Booming Local Gaming Ecosystem | Gaming, Commercial | A rapidly expanding domestic video game industry and indie developer pool are utilizing advanced gaze tracking to optimize interactive gameplay. |
| Digital UX Transformation | Commercial, Software | E-commerce businesses and consumer tech agencies are scaling up visual attention analysis to drastically reduce online checkout friction. |
| Automotive Safety Upgrades | Automotive, Hardware | The localization of premium vehicle assembly plants is raising immediate demand for internal Driver Monitoring Systems (DMS) to track driver fatigue. |
| Medical Technology Modernization | Healthcare, AI-Integrated | Private healthcare facilities are actively upgrading their ophthalmic and neurological diagnostic pipelines through computer-vision analytics. |
Vietnam 3D Eye Tracking Software Market is poised for strong growth at a CAGR of 24.8% during the forecast period (2026-2032), driven by rising integration of AI technologies, expanding use cases in healthcare and automotive safety systems, and increasing adoption of immersive gaming and VR/AR platforms. Another critical growth element is the growing trend in adopting eye-tracking technologies for use in automotive driver monitoring applications, through which eye tracking can help identify signs of fatigue, distraction, and unsafe driving practices. Major players in automotive technology are incorporating this technology within ADAS systems to raise the bar on road safety standards in commercial and passenger vehicles.
Evaluation of Restraints in Vietnam 3D Eye Tracking Software Market
Below are some major restraints and their influence on the market dynamics:
| Restraints | Primary Segment Affected | What This Means (Evidence) |
| High Initial Acquisition Cost | Commercial, Research | The steep bundled expense of combined high-refresh hardware peripherals and core proprietary license software restricts mid-market adoption. |
| Shortage of Specialized Talent | Research, Software | A limited domestic pool of developers trained specifically in specialized spatial eye tracking matrix calibration slows custom application design. |
| Data Privacy Restrictions | Commercial, AI-Integrated | Developing domestic biometric compliance frameworks forces strict consumer security structures, limiting rapid gaze data storage. |
| Hardware Compatibility Barriers | Hardware, Non-AI Based | Integrating highly sensitive 3D software suites into standard or older localized camera systems regularly hits severe frame-rate bottlenecks. |
| Limited Regional Deployment | Commercial, Healthcare | Enterprise market demand remains heavily centralized inside tier-one urban spaces like Ho Chi Minh City and Hanoi, limiting national scale. |
Vietnam 3D Eye Tracking Software Market Challenges
Beyond standard cost structures, the Vietnam 3D Eye Tracking Software Market faces unique localized deployment friction. Integrating high-fidelity 3D gaze-tracking frameworks into existing ambient business environments requires robust system re-engineering. Low-light processing issues in typical corporate environments can affect infrared and camera sensors, causing data drops. Furthermore, local businesses struggle to turn raw spatial fixation coordinates into actionable design decisions. This leaves a gap between basic tracking capability and functional business intelligence.
Vietnam 3D Eye Tracking Software Market Trends
Key trends shaping the dynamics of Vietnam 3D Eye Tracking Software Industry are:
- Pervasive AI Calibration and Auto-Correction: Advanced software setups are dropping manual, multi-point screen calibration routines. They are shifting toward continuous, background machine learning models that automatically adjust for user head movement and varied ambient lighting on the fly.
- Widespread Emergence of Foveated Rendering: Software providers are matching their packages directly to virtual reality (VR) headsets. By tracking exact real-time gaze focal points, systems render high-resolution graphics only where the user is looking. This saves processing power across mainstream consumer electronics.
- Rise of Cloud-Based Gaze Analytics: Companies are actively migrating resource-heavy 3D image processing from local hardware to remote cloud systems. This lets smaller businesses track visual data across web and mobile platforms using standard built-in cameras.
Investment Opportunities in the Vietnam 3D Eye Tracking Software Market
Some potential investment prospects are:
- Custom SDK Development for E-Commerce Platforms: Massive growth across Southeast Asian online shopping presents an investment avenue for localized software kits. These tools plug directly into web platforms to give brands automated heatmaps of product shelf positioning.
- Smart Driver Monitoring Integration for Commercial Fleets: Software providers have an open field to build standalone, rugged 3D eye tracking tools. These packages can be easily retrofitted into regional shipping, logistics, and long-haul transport vehicles to spot driver fatigue.
- Academic and Clinical Research Laboratory Upgrades: Direct funding channelled toward regional universities and private clinics for neurological health research is opening up solid opportunities to supply advanced, multi-modal gaze tracking software packages.
Top 5 Leading Players in Vietnam 3D Eye Tracking Software Market
Following is a list of leading players operating in the Vietnam 3D Eye Tracking Software Market:
1. Tobii AB
| Company Name | Tobii |
|---|---|
| Established Year | 2001 |
| Headquarters | Stockholm, Sweden |
| Official Website | Click Here |
As the undisputed global pioneer in attention computing, Tobii provides high-accuracy 3D eye tracking software and hardware integration kits.
2. Eyeware Tech SA
| Company Name | Eyeware Tech SA |
|---|---|
| Established Year | 2016 |
| Headquarters | Martigny, Switzerland |
| Official Website | Click Here |
Specialized entirely in consumer-grade 3D eye tracking algorithms, Eyeware delivers computer vision software utilizing depth cameras and standard webcams.
3. Visage Technologies
| Company Name | Visage Technologies |
|---|---|
| Established Year | 2002 |
| Headquarters | Zagreb, Croatia |
| Official Website | Click Here |
Widely recognized for high-performance face tracking, filtering, and eye gaze calculation software development kits (SDKs).
4. Pupil Labs GmbH
| Company Name | Pupil Labs |
|---|---|
| Established Year | 2014 |
| Headquarters | Berlin, Germany |
| Official Website | Click Here |
Known globally for open-source software platforms and lightweight mobile eye tracking hardware, Pupil Labs is a major supplier to Vietnam’s leading university research environments.
5. Smart Eye AB
| Company Name | Smart Eye AB |
|---|---|
| Established Year | 1999 |
| Headquarters | Gothenburg, Sweden |
| Official Website | Click Here |
A dominant leader in complex, multi-camera 3D eye tracking environments and premium automotive Driver Monitoring Systems (DMS).
Government Initiatives being implemented in the Vietnam 3D Eye Tracking Software Market
The Vietnamese government is actively backing advanced digital ecosystems through structured policy adjustments and high-tech funding programs.
Digital Transformation of Nation Initiative 2025 – 2030: The initiative offers direct tax incentives and exemptions from import duties on high-tech components for companies building computer vision systems based on automation, deep learning algorithms, and analytics frameworks.
Further, under the MOST Tech Development Grants, institutional funding has been specifically earmarked for science laboratories in national universities. This makes it easier to buy premium 3D eye-tracking systems for domestic research into neurological disorders, cognitive computing, and human-computer interactions.
Future Insights of the Vietnam 3D Eye Tracking Software Industry
Vietnam 3D Eye Tracking Software Market is moving toward an app-free, hardware-independent environment. Over the next decade, 3D eyes tracking software will shift from complex external cameras toward standard embedded phone and laptop lenses. As local tech firms move into building industrial robots and smart factories, gaze tracking will become a key tool for safe human-robot collaboration. This evolution will firmly cement spatial attention tracking as a core layer in daily enterprise systems.
Market Segmentation Analysis
The report offers a comprehensive study of the following market segments and their leading categories:
By Product Type - Software Dominates the Market
According to Sachin, Senior Research Analyst, 6Wresearch, the software segment is currently the most dominating sub-segment across Vietnam. This dominance stems from its flexible licensing structures, low hardware footprint, and fast updates. Local engineering spaces prefer agile Software Development Kits (SDKs) that can be integrated into pre-existing consumer cameras and commercial systems over rigid proprietary hardware setups.
By Technology – AI-Integrated Technology to Lead the Market
The AI-Integrated sector is expanding rapidly, outperforming traditional non-AI systems as it manages tricky environmental factors effortlessly. AI-powered eye tracking software uses specialized convolutional neural networks to accurately trace gaze patterns without needing rigid laboratory calibration. It easily overcomes real-world issues like uneven room lighting, user movement, and varying facial structures.
By End User – Commercial to Lead the Market
The commercial segment is expected to dominate the Vietnam 3D eye tracking software market share owing to wide-scale adoption across corporate consumer research, digital retail optimization, and product engineering. Fast-moving consumer goods (FMCG) corporations and digital layout agencies rely heavily on eye-tracking data to map exact customer attention patterns during product selection.
Key Attractiveness of the Report:
- 10 Years of Market Numbers
- Historical Data Starting from 2022 to 2025
- Base Year: 2025
- Forecast Data until 2032
- Key Performance Indicators Impacting the Market
- Major Upcoming Developments and Projects
Key Highlights of the Report:
- Vietnam 3D Eye Tracking Software Market Outlook
- Market Size of Vietnam 3D Eye Tracking Software Market, 2025
- Forecast of Vietnam 3D Eye Tracking Software Market, 2032
- Historical Data and Forecast of Vietnam 3D Eye Tracking Software Revenues & Volume for the Period 2022-2032
- Vietnam 3D Eye Tracking Software Market Trend Evolution
- Vietnam 3D Eye Tracking Software Market Drivers and Challenges
- Vietnam 3D Eye Tracking Software Price Trends
- Vietnam 3D Eye Tracking Software Porter's Five Forces
- Vietnam 3D Eye Tracking Software Industry Life Cycle
- Historical Data and Forecast of Vietnam 3D Eye Tracking Software Market Revenues & Volume By Product Type for the Period 2022-2032
- Historical Data and Forecast of Vietnam 3D Eye Tracking Software Market Revenues & Volume By Software for the Period 2022-2032
- Historical Data and Forecast of Vietnam 3D Eye Tracking Software Market Revenues & Volume By Hardware for the Period 2022-2032
- Historical Data and Forecast of Vietnam 3D Eye Tracking Software Market Revenues & Volume By Application for the Period 2022-2032
- Historical Data and Forecast of Vietnam 3D Eye Tracking Software Market Revenues & Volume By Healthcare for the Period 2022-2032
- Historical Data and Forecast of Vietnam 3D Eye Tracking Software Market Revenues & Volume By Automotive for the Period 2022-2032
- Historical Data and Forecast of Vietnam 3D Eye Tracking Software Market Revenues & Volume By Gaming for the Period 2022-2032
- Historical Data and Forecast of Vietnam 3D Eye Tracking Software Market Revenues & Volume By Technology for the Period 2022-2032
- Historical Data and Forecast of Vietnam 3D Eye Tracking Software Market Revenues & Volume By AI-Integrated for the Period 2022-2032
- Historical Data and Forecast of Vietnam 3D Eye Tracking Software Market Revenues & Volume By Non-AI Based for the Period 2022-2032
- Historical Data and Forecast of Vietnam 3D Eye Tracking Software Market Revenues & Volume By End user for the Period 2022-2032
- Historical Data and Forecast of Vietnam 3D Eye Tracking Software Market Revenues & Volume By Research for the Period 2022-2032
- Historical Data and Forecast of Vietnam 3D Eye Tracking Software Market Revenues & Volume By Commercial for the Period 2022-2032
- Vietnam 3D Eye Tracking Software Import Export Trade Statistics
- Market Opportunity Assessment By Product Type
- Market Opportunity Assessment By Application
- Market Opportunity Assessment By Technology
- Market Opportunity Assessment By End user
- Vietnam 3D Eye Tracking Software Top Companies Market Share
- Vietnam 3D Eye Tracking Software Competitive Benchmarking By Technical and Operational Parameters
- Vietnam 3D Eye Tracking Software Company Profiles
- Vietnam 3D Eye Tracking Software Key Strategic Recommendations
Market Covered
The report offers an extensive study of the following market segments:
By Product Type
- Software
- Hardware
By Application
- Healthcare
- Automotive
- Gaming
By Technology
- AI-Integrated
- Non-AI Based
By End User
- Research
- Commercial
Vietnam 3D Eye Tracking Software Market (2026-2032): FAQs
Vietnam 3D Eye Tracking Software Market is anticipated to grow at a compound annual growth rate (CAGR) of 24.8% during the forecast period (2026-2032).
Gaming segment leads the market due to the high volume of local game developers and competitive esports platforms adopting eye tracking for deep gameplay immersion.
Some of the key drivers of the market include artificial intelligence, growth in the gaming sector, and rising applications in healthcare and automotive segments.
The commercial sector leads the Vietnam 3D Eye Tracking Software Market due to the high adoption rate in gaming, advertisement, and automotive sectors.
6Wresearch actively monitors the Vietnam 3D Eye Tracking Software Market and publishes its comprehensive annual report, highlighting emerging trends, growth drivers, revenue analysis, and forecast outlook. Our insights help businesses to make data-backed strategic decisions with ongoing market dynamics. Our analysts track relevent industries related to the Vietnam 3D Eye Tracking Software Market, allowing our clients with actionable intelligence and reliable forecasts tailored to emerging regional needs.
Yes, we provide customisation as per your requirements. To learn more, feel free to contact us on sales@6wresearch.com
| 1 Executive Summary |
| 2 Introduction |
| 2.1 Key Highlights of the Report |
| 2.2 Report Description |
| 2.3 Market Scope & Segmentation |
| 2.4 Research Methodology |
| 2.5 Assumptions |
| 3 Vietnam 3D Eye Tracking Software Market Overview |
| 3.1 Vietnam Country Macro Economic Indicators |
| 3.2 Vietnam 3D Eye Tracking Software Market Revenues & Volume, 2022 & 2032F |
| 3.3 Vietnam 3D Eye Tracking Software Market - Industry Life Cycle |
| 3.4 Vietnam 3D Eye Tracking Software Market - Porter's Five Forces |
| 3.5 Vietnam 3D Eye Tracking Software Market Revenues & Volume Share, By Product Type, 2022 & 2032F |
| 3.6 Vietnam 3D Eye Tracking Software Market Revenues & Volume Share, By Application, 2022 & 2032F |
| 3.7 Vietnam 3D Eye Tracking Software Market Revenues & Volume Share, By Technology, 2022 & 2032F |
| 3.8 Vietnam 3D Eye Tracking Software Market Revenues & Volume Share, By End user, 2022 & 2032F |
| 4 Vietnam 3D Eye Tracking Software Market Dynamics |
| 4.1 Impact Analysis |
| 4.2 Market Drivers |
| 4.2.1 Increasing adoption of virtual reality (VR) and augmented reality (AR) technologies in various industries in Vietnam |
| 4.2.2 Growing demand for advanced user experience and human-computer interaction solutions |
| 4.2.3 Rise in investments in research and development activities to enhance eye-tracking technology |
| 4.3 Market Restraints |
| 4.3.1 Limited awareness and understanding of 3D eye tracking software among potential users in Vietnam |
| 4.3.2 High initial costs associated with implementing 3D eye tracking software solutions |
| 4.3.3 Lack of skilled professionals proficient in utilizing and developing applications for 3D eye tracking technology |
| 5 Vietnam 3D Eye Tracking Software Market Trends |
| 6 Vietnam 3D Eye Tracking Software Market, By Types |
| 6.1 Vietnam 3D Eye Tracking Software Market, By Product Type |
| 6.1.1 Overview and Analysis |
| 6.1.2 Vietnam 3D Eye Tracking Software Market Revenues & Volume, By Product Type, 2022 - 2032F |
| 6.1.3 Vietnam 3D Eye Tracking Software Market Revenues & Volume, By Software, 2022 - 2032F |
| 6.1.4 Vietnam 3D Eye Tracking Software Market Revenues & Volume, By Hardware, 2022 - 2032F |
| 6.2 Vietnam 3D Eye Tracking Software Market, By Application |
| 6.2.1 Overview and Analysis |
| 6.2.2 Vietnam 3D Eye Tracking Software Market Revenues & Volume, By Healthcare, 2022 - 2032F |
| 6.2.3 Vietnam 3D Eye Tracking Software Market Revenues & Volume, By Automotive, 2022 - 2032F |
| 6.2.4 Vietnam 3D Eye Tracking Software Market Revenues & Volume, By Gaming, 2022 - 2032F |
| 6.3 Vietnam 3D Eye Tracking Software Market, By Technology |
| 6.3.1 Overview and Analysis |
| 6.3.2 Vietnam 3D Eye Tracking Software Market Revenues & Volume, By AI-Integrated, 2022 - 2032F |
| 6.3.3 Vietnam 3D Eye Tracking Software Market Revenues & Volume, By Non-AI Based, 2022 - 2032F |
| 6.4 Vietnam 3D Eye Tracking Software Market, By End user |
| 6.4.1 Overview and Analysis |
| 6.4.2 Vietnam 3D Eye Tracking Software Market Revenues & Volume, By Research, 2022 - 2032F |
| 6.4.3 Vietnam 3D Eye Tracking Software Market Revenues & Volume, By Commercial, 2022 - 2032F |
| 7 Vietnam 3D Eye Tracking Software Market Import-Export Trade Statistics |
| 7.1 Vietnam 3D Eye Tracking Software Market Export to Major Countries |
| 7.2 Vietnam 3D Eye Tracking Software Market Imports from Major Countries |
| 8 Vietnam 3D Eye Tracking Software Market Key Performance Indicators |
| 8.1 Average session duration of users interacting with 3D eye tracking software |
| 8.2 Percentage increase in the number of software developers specializing in eye-tracking technology |
| 8.3 Adoption rate of 3D eye tracking software across different industries in Vietnam |
| 9 Vietnam 3D Eye Tracking Software Market - Opportunity Assessment |
| 9.1 Vietnam 3D Eye Tracking Software Market Opportunity Assessment, By Product Type, 2022 & 2032F |
| 9.2 Vietnam 3D Eye Tracking Software Market Opportunity Assessment, By Application, 2022 & 2032F |
| 9.3 Vietnam 3D Eye Tracking Software Market Opportunity Assessment, By Technology, 2022 & 2032F |
| 9.4 Vietnam 3D Eye Tracking Software Market Opportunity Assessment, By End user, 2022 & 2032F |
| 10 Vietnam 3D Eye Tracking Software Market - Competitive Landscape |
| 10.1 Vietnam 3D Eye Tracking Software Market Revenue Share, By Companies, 2025 |
| 10.2 Vietnam 3D Eye Tracking Software Market Competitive Benchmarking, By Operating and Technical Parameters |
| 11 Company Profiles |
| 12 Recommendations |
| 13 Disclaimer |
Global Go To Market Strategy - 2030
Export potential enables firms to identify high-growth global markets with greater confidence by combining advanced trade intelligence with a structured quantitative methodology. The framework analyzes emerging demand trends and country-level import patterns while integrating macroeconomic and trade datasets such as GDP and population forecasts, bilateral import–export flows, tariff structures, elasticity differentials between developed and developing economies, geographic distance, and import demand projections. Using weighted trade values from 2020–2024 as the base period to project country-to-country export potential for 2030, these inputs are operationalized through calculated drivers such as gravity model parameters, tariff impact factors, and projected GDP per-capita growth. Through an analysis of hidden potentials, demand hotspots, and market conditions that are most favorable to success, this method enables firms to focus on target countries, maximize returns, and global expansion with data, backed by accuracy.
By factoring in the projected importer demand gap that is currently unmet and could be potential opportunity, it identifies the potential for the Exporter (Country) among 190 countries, against the general trade analysis, which identifies the biggest importer or exporter.
To discover high-growth global markets and optimize your business strategy:
Click Here
Pricing
- Single User License$ 1,995
- Department License$ 2,400
- Site License$ 3,120
- Global License$ 3,795
Leadership Perspectives from Industry Events
Search
Thought Leadership and Analyst Meet
Our Clients
6WResearch In News
- India Air Conditioner Market Set for Strong Rebound in 2026 After Weather-Led Correction and GST-Driven Recovery: 6Wresearch
- ADAS in India: How Automatic Emergency Braking, Blind Spot Detection & Driver Monitoring are Transforming Road Safety
- Doha a strategic location for EV manufacturing hub: IPA Qatar
- Demand for luxury TVs surging in the GCC, says Samsung
- Empowering Growth: The Thriving Journey of Bangladesh’s Cable Industry
- Demand for luxury TVs surging in the GCC, says Samsung
Latest Reports
- Poland Fire Protection Systems Market (2026-2032)
- Cape Verde Portable Hand-Thrown Extinguisher Market (2026-2032)
- Canada Portable Hand-Thrown Extinguisher Market (2026-2032)
- Cameroon Portable Hand-Thrown Extinguisher Market (2026-2032)
- Burundi Portable Hand-Thrown Extinguisher Market (2026-2032)
- Burkina Faso Portable Hand-Thrown Extinguisher Market (2026-2032)
- Bulgaria Portable Hand-Thrown Extinguisher Market (2026-2032)
- Brunei Portable Hand-Thrown Extinguisher Market (2026-2032)
- Botswana Portable Hand-Thrown Extinguisher Market (2026-2032)
- Bosnia and Herzegovina Portable Hand-Thrown Extinguisher Market (2026-2032)
Industry Events and Analyst Meet
HIMTEX 2026
India Refining Summit 2026
India EV Show 2026
EV tech India Expo 2026
Auto Tech Asia 2026
Whitepaper
- Middle East & Africa Commercial Security Market Click here to view more.
- Middle East & Africa Fire Safety Systems & Equipment Market Click here to view more.
- GCC Drone Market Click here to view more.
- Middle East Lighting Fixture Market Click here to view more.
- GCC Physical & Perimeter Security Market Click here to view more.
