Digital entertainment is shifting from passive viewing to active participation....

https://wiki-club.win/index.php/How_Do_Recommendation_Algorithms_Actually_Work%3F_(And_Why_You_Can%27t_Stop_Scrolling)

Digital entertainment is shifting from passive viewing to active participation. By building apps that feel like games, putting everything on our phones, and tailoring content to individual tastes, developers are making every session feel personal