If you’re a regular Google+ user (also known as a “Plusser”), you’ve probably heard the term “Authorship” thrown around quite a bit. Even if you aren’t familiar with that term, you’ve probably seen Google Authorship in action without even realizing it.
Google Authorship is a tool in search results that allows author information to be displayed next to the content they have written. It will display the information provided by the author on their Google+ profile, which typically includes their photo, byline and the number of Google+ circles they are a part of. Check out the example below.