Most Popular Social Bookmarking Tools

There was Delicious, Reddit, Digg in the social bookmarking race. Now, they have all been relegated. This is such a finicky market. Here are the top ten social bookmarking sites for 2009 and the percent usage:

1. Facebook : 29.4%
2. Email : 13.8%
3. Twitter : 11.1%
4. Yahoo Bookmarks : 4.4%
5. MySpace : 4.3%
6. Windows Live : 3.9%
7. Digg : 3.8%
8. Delicious : 3.8%
9. Google Bookmarks : 3.5%
10. Stumbleupon : 3.0%