tech
March 21, 2026
How a New App is Changing Traffic: Instead of Insults, AI Turns Frustrations into Useful Advice for Drivers
Belgian programmer Emanuel Lemal has developed the app "Playtwav" which allows road users to warn other drivers about dangerous behavior via license plates, with AI filtering messages.

TL;DR
- Belgian programmer Emanuel Lemal developed the 'Playtwav' app to reduce traffic aggression.
- Users can send messages about dangerous behavior via license plates.
- AI filters and reformulates offensive messages into constructive advice.
- The app can also be used for reporting vehicle issues, damage, or commending good driving.
- User anonymity is ensured as emails are not linked to license plates.
- Unregistered users' messages are saved for future delivery upon registration.
- The app is free and available in Dutch, French, and English.
- The project is non-commercial, developed by Lemal in his free time.