Making use of social networking sites to advertise your webpage is one of the best new tricks that webmasters are using to get traffic to your site. Clearly if you are going to take the time to do that, you should focus on the top networking sites. You may know the top two, but do you know the top 20?

Rank	Name	Domain	Market Share
1	MySpace	www.myspace.com	80.74%
2	Facebook	www.facebook.com	10.32%
3	Bebo	www.bebo.com	1.18%
4	BlackPlanet.com	www.blackplanet.com	.88%
5	Xanga	www.xanga.com	.87%
6	iMeem	www.imeem.com	.73%
7	Yahoo! 360	360.yahoo.com	.72%
8	Classmates	www.classmates.com	.72%
9	hi5	www.hi5.com	.69%
10	Tagged	www.tagged.com	.67%
11	LiveJournal	www.livejournal.com	.49%
12	Gaionline.com	www.gaiaonline.com	.48%
13	Friendster	www.friendster.com	.34%
14	Orkut	www.orkut.com	.26%
15	Live Spaces	spaces.live.com	.18%
16	HoverSpot	www.hoverspot.com	.18%
17	Buzznet	www.buzznet.com	.18%
18	Sconex	www.sconex.com	.14%
19	MiGente.com	www.migente.com	.11%
20	myYearbook	www.myyearbook.com	.11%

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