Obviously they're getting people to commit to their social identities on G+ so they can meet their stated goal of becoming an identity provider. The war is on

Obviously they're getting people to commit to their social identities on G+ so they can meet their stated goal of becoming an identity provider. The war is on between Twitter, Facebook, and Google and it has nothing to do with the number of messages or advertisements that can be served. It's the number of end user identities that can be authenticated.