EU targets dark patterns: Duolingo, Strava, Ticketmaster face new rules

The EU's Digital Fairness Act will cover Duolingo, Strava, and Ticketmaster, imposing new obligations toward users. Platforms must enable disabling of habit-sustaining mechanisms such as streaks in Duolingo, and influencers must disclose paid collaborations. The rules target so-called dark patterns—manipulative interface design techniques.