Social Bookmarking Sites

1 | Twitter
15 - eBizMBA Rank | 200,000,000 - Estimated Unique Monthly Visitors | 30 - Compete Rank

2 | digg
199 - eBizMBA Rank | 25,100,000 - Estimated Unique Monthly Visitors | 330 - Compete Rank 

3 | StumbleUpon
247 - eBizMBA Rank | 17,500,000 - Estimated Unique Monthly Visitors | 538 - Compete Rank 

4 | reddit
384 - eBizMBA Rank | 16,000,000 - Estimated Unique Monthly Visitors | 946 - Compete Rank

5 | delicious
869 - eBizMBA Rank | 5,500,000 - Estimated Unique Monthly Visitors | 1,396 - Compete Rank 

6 | tweetmeme
873 - eBizMBA Rank | 5,450,000 - Estimated Unique Monthly Visitors | 1,317 - Compete Rank 

7 | mixx
1,512 - eBizMBA Rank | 2,600,000 - Estimated Unique Monthly Visitors | 2,833 - Compete Rank

8 | FARK
1,728 - eBizMBA Rank | 1,850,000 - Estimated Unique Monthly Visitors | 2,045 - Compete Rank 

9 | Slashdot
1,805 - eBizMBA Rank | 1,700,000 - Estimated Unique Monthly Visitors | 2,335 - Compete Rank

10 | friendfeed
2,380 - eBizMBA Rank | 1,500,000 - Estimated Unique Monthly Visitors | 4,053 - Compete Rank

11 | clipmarks
2,541 - eBizMBA Rank | 1,400,000 - Estimated Unique Monthly Visitors | *2,800* - Compete Rank 

12 | newsvine
2,544 - eBizMBA Rank | 1,390,000 - Estimated Unique Monthly Visitors | 2,224 - Compete Rank

13 | diigo
3,078 - eBizMBA Rank | 1,200,000 - Estimated Unique Monthly Visitors | 4,765 - Compete Rank 

14 | Hacker News
7,455 - eBizMBA Rank | 490,000 - Estimated Unique Monthly Visitors | 13,367 - Compete Rank 

15 | blinklist
15,667 - eBizMBA Rank | 230,000 - Estimated Unique Monthly Visitors | *N/A* - Compete Rank