Streak counters are gamification mechanics used by apps like Duolingo, Chess.com, and Apple to motivate daily engagement by displaying a continuously growing number that resets if the user misses a day. The design leverages psychological principles like the goal gradient effect, where people accelerate effort as they approach completion, but since streaks have no endpoint, users theoretically never slow down. Different platforms handle streak breaks differently—some offer grace periods or paid freezes, while others reset immediately—and research shows streaks significantly boost user retention and daily active usage.
Chess.com exposed 7.3 million user records through data scraping rather than a direct breach. The leaked file contains usernames, emails, names, countries, chess ratings, and internal Google Ad Manager audience tags, but no passwords or payment data. Evidence suggests the data was collected over nine days using the platform's find-friends feature, similar to a 2023 incident but at roughly nine times the scale.