70% of millennials who watch YouTube to learn how to do something new. Appears In What motivates people to watch YouTube Related Content 3 ways online video is changing what it means to be a sports fan 3 industry leaders predict the online video trends that will shape 2018 Why you should lean into how-to content in 2018 Related Data 59% of mobile gamers download a game within a day of discovering it. The No. 1 reason players say they came back to a game is new features, like additional levels. 64% of players who play free games said they would be willing to watch a video in return for points, new levels, extra lives, and skills. 63% of casual gamers play games to pass the time. 48% of strategy gamers play games to pass the time. 49% of fantasy gamers play games to pass the time.