Anil Dash is doing a bit of an experiment. He wanted to see if people would embed his content in their site. Not by copy & paste, but by an embed.
I think this is a really cool concept, and aligns nicely with tumblr’s tradition of re-blogging posts to add commentary and opinion. Let’s hope this takes off! Owning your own data FTW!
Have you heard of the Purple Include?
http://codinginparadise.org/weblog/2007/12/new-purple-include-release.html#links