Please list some japanese social networking sites?

if u r already in any of those sites please invite me"{nahsorhseda(at)yahoo.co.uk} " .


coz i really want to learn japanese and the best way is to meet the people frm there.


thnks in advance!

Please list some japanese social networking sites?
Mixi and Gree are the 2 famous SNS.





mixi (invitation required)


http://mixi.jp/





Gree


http://gree.jp/?action=login





Hatena fotolife


http://f.hatena.ne.jp/