What is Google+?
Google+ (pronounced and sometimes written as Google Plus) is an interest-based social network that is owned and operated by Google. It is located at http://plus.google.com.
Getting to Know the Language
As with each online tool, there is a specific set of vocabulary you need to be aware of in order to speak intelligently (and decipher what your friends are saying).
Stream = your news feed
Circle = to friend someone; to follow
Uncircle = to unfriend someone; to unfollow
+1-ed = to like a post; to favorite a tweet; also called plussed
Followers = friends or fans that have you in their circles
Hangout = video calling
Circle Sunday = Follow Friday