The recently launched Google’s new social networking site Google+ is growing like anything. A recent report shows that Google+ has now over 10 million users and growing faster than we thought. That is the story about this Facebook rival. Ok, if you are new to Google+ or want to use it like a pro, here is a complete reference guide. ‘Google+: A Collaborative Document’ written by 120+ people provides everything about Google Plus. You can learn what is Google Plus, how to use it and its features like Circle, Sparks, Hangouts, Huddle, etc. very easily.