Best Web 2.0 Sites with High PR

Best Web 2.0 Sites for SEO Link Building Backlinks

S.N	Site Name	PR
1	wordpress.com	7
2	bloglines.com	7
3	flickr.com	7
4	youtube.com	7
5	picasaweb.google.com	7
6	sites.google.com	7
7	foursquare.com	7
8	blogger.com	7
9	groups.google.com	7
10	imdb.com	7
11	livejournal.com	7
12	plurk.com	9
13	reddit.com	9
14	scribd.com	9
15	netvibes.com	9
16	slideshare.net	9
17	tripod.com	9
18	typepad.com	9
19	weebly.com	9
20	instagram.com	9
21	myspace.com	9
22	seedz.org	9
23	sourceforge.net	9
24	technorati.com	9
25	tripadvisor.com	9
26	xing.comen	9
27	angelfire.com	9
28	blogsome.com	9
29	bravenet.com	9
30	craigslist.org	9
31	ehow.com	8
32	edublogs.org	8
33	jimdo.com	8
34	multiply.com	8
35	my.opera.com	8
36	officelive.com	8
37	photobucket.com	8
38	webs.com	8
39	webnode.com	8
40	squidoo.com	6
41	polyvore.com	6
42	storify.com	6
43	deviantart.com	6
44	getglue.com	6