Top High PR Microblogging Sites To Share Blog Posts

High PR Microblogging sites are another way to drive traffic to your blog and increase pagerank of your blog. Twitter is the most famous microblogging site and I also get traffic from twitter. But there are some more micro blogging sites which may be useful for a blogger. So, here I'm making a list of some high PR microblogging sites:

Bentio.com
Blip.pl
Dipity.com
Flattr.com
Friendfeed.com