What is google plus and how to use it..?

[trilok]

Google+ is a social networking that is owned and operated by Google Inc. It is the second-largest social networking site in the world after Facebook. 540 million monthly active users are part of the Identity service site, by interacting socially with Google+'s enhanced properties, like Gmail, +1 button, and YouTube comments.
This is very simple to use if you use fb than you won't face any problem , its little bit different than fb .