Google+ (pronounced and sometimes written Google Plus, sometimes abbreviated as G+) is a social networking service operated by Google Inc. The service launched on June 28, 2011 in an invite-only "field testing" phase. The following day, existing users were allowed to invite friends, who are above 18 years of age, to the service to create their own accounts. This was suspended the next day due to an "insane demand" for accounts. Currently each Google+ member has 150 invites to give out. Google+ integrates social services such as Google Profiles and Google Buzz, and introduces new servic...