This week's Trends: trophies, games, and a cappella

Each weekday, we at YouTube Trends take a look at the most interesting videos and cultural phenomena on YouTube as they develop. We want take a moment to highlight some of what we've come across this week: We learned that those cool, edited-a cappella videos have spread to t…

Devamı: This week's Trends: trophies, games, and a cappella