A company that registers icons against your email address.

A company that registers icons against your email address. When you visit any site that supports gravatars, such as richarddawkins.net your currently registered icon is made available to them. Gravata [..]

Gravatar (a portmanteau of globally recognized avatar) is a service for providing globally unique avatars and was created by Tom Preston-Werner. Since 2007, it has been owned by Automattic, having int [..]

A gravatar is a globally recognized avatar (a graphic image or picture that represents a user). Typically a user's gravatar is associated with their email address, and using a service such as Gra [..]

A service that will provide your image when you log into a number of web sites. That image can be viewed by others to make sure they recognize the you they are communicating with. I consider using such a service part of setting up a professional image.