When the referee checks VAR or teams head into half-time, fans often don't just...

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

When the referee checks VAR or teams head into half-time, fans often don't just sit back. Using a second screen, they dive into live stats, join group chats to share reactions, manage fantasy lineups, or explore betting and casino apps