Over the past 10 years of YouTube, video viewership has come a long way. In fact, according to new commissioned custom research conducted by Nielsen, the time 18-49 year olds spend on YouTube grew by 44 percent, while the time they spend watching traditional TV fell by nearly 10 percent over that same time period. YouTube has become the place the world comes to watch, share and engage with video. And we want to keep creating even better experiences for the viewers,...