This is a YouTube video of three astronauts talking about how they "tweet" from the International Space Station. Interesting to think that it literally has no limits.
This article talks about how Tufts University now accepts YouTube videos as part of their application process. Potential students still need to write an essay but they can also submit a video to show admissions who they really are.
This might be interesting to those of you who are doing research projects on music copyright laws/ parodys, etc. I suggest watching Lady Gaga's "Bad Romance" music video before watching this if you haven't already, otherwise, it's not as funny.
Open Source Cinema lets you create and / or remix your own videos or other videos that people have posted from places likes YouTube. You can also join group remix projects.
The new Google Wave application may be the next "big thing" in internet communication. Unfortunately, the best demo of Google Wave is over an hour long. This one also has a very good demonstration of its capabilities, however, it is to the script of "Pulp Fiction" which has MANY swear words.