Very soon we are going to see this prompt on Google+ also, Google+ currently shows this prompt only when you visit the profile page and the profile is incomplete. Every network on the web is hungry for the User demographics Data to sell the crap out of it to advertisers. Long live Targeted Advertising!
Google’s Competitor to Disqus, LiveFyre and Facebook comments is here, although initially available only for blogger blogs, expect it to roll out for other blogging platforms and publishers as well. This new commenting system does one thing very well, i.e., bringing social shares and comments on Google+ back to your blog commenting system.