Sourcing: Please source all data to Nielsen Online. For more information about our sourcing guidelines, go to www.netratings.com Source: Nielsen Online US, Home and Work Month of March 2009
This is a custom list compiled by the Nielsen Online PR team with the help of our media analysts. While this list is not meant to Top 20 Social Network Sites, March 2008 Mar-09 Mar-08 YOY Growth Unique Time per Unique Time per Audience Person Audience Person Unique Time per (000) (hh:mm:ss) (000) (hh:mm:ss) Audience Person Site Twitter.com 13,858 0:11:55 520 0:06:32 2565% 82% Ning 5,609 0:10:11 1,463 0:19:18 283% -47% Facebook 69,151 3:16:08 24,940 1:08:18 177% 187% Bebo 6,149 0:08:43 2,483 0:11:29 148% -24% LinkedIn 15,815 0:12:06 7,877 0:11:43 101% 3% Multiply 1,527 0:15:31 780 0:06:17 96% 147% MyYearbook 3,323 1:03:47 1,953 0:59:55 70% 6% Tagged.com 3,627 1:34:09 2,415 0:09:47 50% 862% Last.fm 2,989 0:03:47 2,019 0:04:22 48% -13% Club Penguin 6,160 0:42:36 4,623 0:09:28 33% 350% Care2.com 2,059 0:05:26 1,552 0:06:03 33% -10% AOL Community 4,153 0:08:04 3,229 0:35:06 29% -77% Gaia Online 1,768 2:54:07 1,425 2:07:25 24% 37% Classmates Online 16,457 0:09:27 13,599 0:09:25 21% 0% Flixster 2,471 0:05:26 2,069 0:03:20 19% 63% CarDomain Network 1,856 0:04:47 1,614 0:03:44 15% 28% Reunion.com 6,678 0:01:30 5,940 0:05:46 12% -74% Imeem 2,813 0:05:11 2,542 0:06:41 11% -22% Meetup.com 2,383 0:18:00 2,258 0:11:48 6% 53% Myspace.com 55,914 1:29:08 61,285 2:18:55 -9% -36%
* Blue data indicates these estimates are calculated on small sample sizes and are subject to increased statistical variability as a result.
hile this list is not meant to be exhaustive, it should give you a good idea of the significant players in each space. We periodically review the l
h space. We periodically review the list and add new sites, so the results may change accordingly.