During half-time, many fans turn to their phones to check live stats, debate...

https://raymondssuperblogs.brightsora.com/posts/what-are-heat-maps-in-football-and-why-do-fans-check-them-live

During half-time, many fans turn to their phones to check live stats, debate key moments in group chats, or update their fantasy teams—bringing a second screen into the matchday experience