Gravatar (Globally Recognized Avatar) is an image that follows you from site to site appearing beside your name when you do things like comment or post on a blog. A Gravatar gives you identity on the internet and helps build authority as people start recognizing and associating your brand with the Gravatar.
The Importance of a Gravatar comes to light whenever you are posting a comment as blog owners are more likely to approve a comment with a Gravatar.
To get a Gravatar, you need to sign up at Gravatar.com, use your desired email id and upload & associate your picture with it. The best part is that you could use multiple email id’s for different avatars.
You should also make sure to use the same avatar across your Social profiles at Twitter, Facebook etc to ensure that you get the maximum exposure.
Do let us know your views on a using a Gravatar for your wordpress comment.