Nielsen//NetRatings published a list of top social networks in October 2007.
| Top social networks in October 2007 | |||
| Audience, 000 | Growth | ||
| Social network | Oct 2006 | Oct 2007 | YTY |
| Myspace.com | 49,516 | 58,843 | 19% |
| 8,682 | 19,519 | 125% | |
| Classmates Online | 13,564 | 13,278 | -2% |
| Windows Live Spaces | 7,795 | 10,261 | 32% |
| AOL Hometown (TWX) | 9,298 | 7,923 | -15% |
| 1,705 | 4,919 | 189% | |
| AOL People Connection | 5,849 | 4,084 | -30% |
| Reunion.com | 4,723 | 4,082 | -14% |
| Club Penguin | 1,512 | 3,880 | 157% |
| Buzznet.com | 1,104 | 2,397 | 117% |
| Source: Nielsen//NetRatings | |||