I don't know if this has already been covered or if this should be in a different section, but whatever.

http://pokemonmysidia.org

It has some sort of relationship with Youtube that lets you do something with the other when you upload on one or something... I don't know for sure, but this guy tries to explain it:

http://www.youtube.com/watch?v=fcQmFqJcJJE&playnext=1&videos=7xZS3-xFWnA

Anyways, looks interesting.