Where on internet I can learn dancing for free?

Question:

Where on internet I can learn how to dance for free?

Best Answer - Chosen by Asker: For ballroom: http://www.ballroomdancers.com/...
For lots of free swing: http://www.how2dance.com/media.php...
For swing, hip-hop and jazz: http://www.idance.net/
For one move a week in swing: http://www.newmoveoftheweek.com/...
I'm sure there must be stuff for other types of dancing, but this is what I know. Enjoy!