2002 Avatar Google NoFollow 
ProBlogger
NOVEMBER 19, 2013
We’ve all see them – they leave comments on your post that are completely irrelevant and stuffed full of keyword rich links in an attempt to rank for those words in Google. The best of these commenters in my experience tend to use a personal name (and where possible use a personal avatar).
Techipedia: Tamar Weinberg
DECEMBER 10, 2008
Add an avatar and a bio at the minimum. I don’t need to see the same message from you on Twitter, FriendFeed, your Google Talk status, your Facebook feed, and on your dog’s scrolling LED collar. Digg Diigo Disqus Dopplr Facebook Fetch Flickr FriendFeed gdgt Google Reader Identi.ca Not humanizing your profile.
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