backlinks scan (Supported 26 social and web2.0 sites)

Webmaster tool for checking a website link popularity among well known social and web2.0 sites. Supported this sites:
Facebook:
Multiply:
Myspace:
LinkedIn:
Twitter:
YouTube:
Digg:
Yahoo!Buzz:
Stumbleupon:
Newsvine:
Delicious:
Blogger:
Technorati:
Wordpress.com:
Reddit:
Googlebuzz:
Mixx:
Ning:
Folkd:
Tumblr:
Jumptags:
Identica:
Propeller:
Wikipedia:
Flickr:
YahooAnswers:
Click here

Looks good, but there was some sites where it did not pick up my backlinks and i know for a fact that there is backlinks on that site. But anyways, nice tool.