how does google plus work. i see a lot of people i dont know in all circles and nearby circles ?

ANSWER TO THE ABOVE QUESTION Google plus is the lates social networking website launched by Google. It has a code name of Emeral Sea launched in the year 2011. This social networking feature of Google Plus provides a social networking feature for people to share information with each other as well as to communicate. The great features of Google Plus are Circle or grouping which allows every one within the group to share information. Other features are Hangouts, +Mobile, Instant Upload, Sparks, and Huddled.