A cultural anthropology professor has put together a very engaging presentation on what exactly "Web 2.0" is all about. 

(via Digg)

[2007-02-05 - I love MetaFilter but man, sometimes they can be harsh.  The majority are ripping this video a new one in a thread that was just posted.  I sometimes forget that people - especially young, Net-savvy types - are supposed to be jaded and cynicial about everything.  Although I agree that "We'l need to rethink love" line in this clip might be a bit over-the-top. But then again, how many people do you know who met online via a dating site or other methods? How many of you stalk follow with interest the lives of people you know via Facebook?]