what are some good web 2.0 websites?

[sanjeevkumar21]

please share some good websites which gives back good do follow link to our website

[Electrum]

Wordpress.com
Tumblr.com
Blogger.com
Jimdo.com
Livejournal.com
Wix.com
Weebly.com
Blogspot.com
Deviantart.com
Goodreads.com
Zoho.com
Sites.google.com
Medium.com
Pen.io
Angelfire.lycos.com
Xing.com
Instructables.com
Evernote.com
Slashdot.org
Hubpages.com
Webs.com
Soup.io
Wikidot.com
Typepad.com