Top List of Web 2.0 Sites for Link Building

I have some best list of web 2.0 sites for building backlinks to gain high authority for your site. Getting backlink from web 2.0 sites will surely boost your ranking in google and you would easily improve your site authority with these links.

http://www.twitter.com    PR=10
http://www.foursquare.com    PR=9
http://www.linkedin.com    PR=9
http://www.issuu.com    PR=9
http://www.pinterest.com    PR=9
http://www.vimeo.com    PR=9
http://www.blogspot.com    PR=9
http://www.facebook.com    PR=9
http://www.xing.com    PR=9
http://www.wordpress.com    PR=9
http://www.livejournal.com    PR=8
http://www.storify.com    PR=8
http://www.goodreads.com    PR=8
http://www.scribd.com    PR=8
http://www.slideshare.com    PR=8
http://www.reddit.com    PR=8
http://www.soundcloud.com    PR=8
http://www.tripadvisor.co.uk    PR=8
http://www.academia.edu    PR=8
http://www.ccmixter.org    PR=7
http://www.docstoc.com    PR=7
http://www.edublogs.org    PR=7
http://www.etsy.com    PR=7
http://www.yelp.com    PR=7
http://www.slashdot.org    PR=7
http://www.paper.li    PR=7
http://www.quora.com    PR=7
http://www.grindtv.com    PR=7
http://www.dribbble.com    PR=7
http://www.about.me    PR=7
http://www.metacafe.com    PR=6
http://www.mixcloud.com    PR=6
http://www.bungie.net    PR=6
http://www.buzznet.com    PR=6
http://www.canalblog.com    PR=6
http://www.e-monsite.com    PR=6
http://www.getglue.com    PR=6
http://www.estranky.cz    PR=6
http://www.folkd.com    PR=6
http://www.glogster.com    PR=6
http://www.identi.ca    PR=6
http://www.instructables.com    PR=6
http://www.gospeltube.com    PR=6
http://www.hautetfort.com    PR=6
http://www.netlog.com    PR=6
http://www.taringa.net    PR=6
http://www.unblog.fr    PR=6
http://www.vuvox.com    PR=6
http://www.startupnation.com    PR=6
http://www.authorstream.com    PR=6
http://www.squidoo.com    PR=6
http://www.skyrock.com    PR=6
http://www.500px.com    PR=6
http://www.weheartit.com    PR=6
http://www.zimbio.com    PR=6
http://www.yudu.com    PR=6
http://www.ology.com    PR=6
http://www.blog.com.es    PR=5
http://www.blogbaker.com    PR=5
http://www.cookeatshare.com    PR=5
http://www.slideboom.com    PR=5
http://www.journalspace.com    PR=5
http://www.myblog.de    PR=5
http://www.list.ly    PR=5
http://www.webeden.co.uk    PR=5
http://www.mouthshut.com    PR=5
http://www.soup.io    PR=5
http://www.freeblog.hu    PR=5
http://www.springpad.com    PR=5
http://www.tribe.net    PR=5
http://www.solidairesdumonde.org    PR=5
http://www.doomby.com    PR=5
http://www.liveleak.com    PR=5
http://www.wikispot.org    PR=5
http://www.judysbook.com    PR=5
http://www.blogvie.com    PR=4
http://www.bloggproffs.se    PR=4
http://www.blogcindario.com    PR=4
http://www.blog4u.pl    PR=4
http://www.bcz.com    PR=4
http://www.artblog.fr    PR=4
http://www.arteblog.com.br    PR=4
http://www.edocr.com    PR=4
http://www.dudepins.com    PR=4
http://www.bloa.pl    PR=4
http://www.punchpin.com    PR=4
http://www.plerb.com    PR=4
http://www.jux.com    PR=4
http://www.kazeo.com    PR=4
http://www.ourstory.com    PR=4
http://www.myspot.pl    PR=4
http://www.myplick.com    PR=4
http://www.nexopia.com    PR=4
http://www.metroblog.com    PR=4
http://www.jukeboxalive.com    PR=4
http://www.fotopages.com    PR=4
http://www.streemo.pl    PR=4
http://www.flixya.com    PR=4
http://www.flog.pl    PR=4
http://www.sails.pl    PR=4
http://www.spaceblog.com.br    PR=4
http://www.blogigo.de    PR=3
http://www.blogmonster.de    PR=3
http://www.ufosocial.com    PR=3
http://www.bigsight.org    PR=3
http://www.remcloud.com    PR=3
http://www.thatshow.com    PR=3
http://www.blog.student.pl    PR=3
http://www.gays.com    PR=3
http://www.infoblog.cz    PR=3
http://www.clipmoon.com    PR=3
http://www.esporteblog.com.br    PR=3
http://www.futblog.com.br    PR=3
http://www.gamingblog.com.br    PR=3
http://www.cdesite.com    PR=3
http://www.blogymate.com    PR=3
http://www.motortopia.com    PR=3
http://www.bloguedoido.com    PR=3
http://www.loveblog.com.br    PR=3
http://www.kl1p.com    PR=3
http://www.lookuppage.com    PR=3
http://www.fashionblogg.se    PR=2
http://www.xstreamist.com    PR=1
http://www.centerblog.com    PR=1