It’s time for my annual posting of the Top 10 YouTube Videos of the Year (see last year’s list here). The videos below are actually not all YouTubes. There are some Twitter and Facebook videos in there too. Nevertheless, I’m gonna keep the title “Top 10 YouTubes” because most of them are in fact YouTubes and because I want to keep continuity with previous annual lists. This ranking is totally unscientific. Only one person was polled to compile this list—yours…