| Similarity | Rank | |
|---|---|---|
| Foursquare | 0.881 | 29066 |
| 0.740 | 1374 | |
| 0.709 | 2106 | |
| Friendster | 0.698 | 84667 |
| Klout | 0.698 | 44207 |
| social-networking | 0.694 | 88849 |
| 0.694 | 43870 | |
| Yelp | 0.693 | 28756 |
| Hootsuite | 0.693 | 74290 |
| Digg | 0.685 | 30156 |
| Facebook's | 0.681 | 22136 |
| HootSuite | 0.680 | 55639 |
| TweetDeck | 0.680 | 80462 |
| 0.678 | 1052 | |
| Yammer | 0.677 | 74199 |
| 0.674 | 9270 | |
| 0.673 | 71081 | |
| Twitter's | 0.673 | 38880 |
| Quora | 0.672 | 78716 |
| MySpace | 0.670 | 18155 |
| Mashable | 0.669 | 47450 |
| 0.669 | 12064 | |
| Facebook.com | 0.666 | 82444 |
| 0.663 | 11260 | |
| Tumblr | 0.661 | 23799 |