Here’s an attempt to build up a little list of the most important social media sites. As it is far from being complete, it will be expanded from time to time… Blogging WordPress  |  WordPress Factsheet Blogger  |  Blogger Factsheet Tumblr  |  Tumblr Factsheet LiveJournal  |  LiveJournal Factsheet Skyrock  |  Skyrock Factsheet Blogcatalog  |  Blogcatalog Factsheet MyBlogLog  |  MyBlogLog Factsheet Entrecard  |  Entrecard Factsheet Ameba  |  ameba Factsheet