Video and Usability
YouTube and Vimeo are treasure troves of videos for a variety of purposes — unfortunately, it’s impossible to separate the good from the bad. A lot of the material is student projects. Here are some sources of videos that someone has considered good (I don’t vouch for these choices).
Tomlin, Craig. Useful usability: 10 must-see usability videos. April 15, 2010.
World Usability Day 2008, Usability Video Contest 2007/2008: “Everyday Usability Troubles.” (They don’t seem to have repeated this contest since then.) Winning videos.
Bolt | Peters is a well-respected User Experience Research firm that puts a lot of their videos on Vimeo.