Editor's note: Rob May is the CEO and co-founder of Backupify, the leading provider of backup and recovery solutions for Software-as-a-Service (SaaS) applications.Google recently announced that it will begin offering corporate control features for its Google+ social network to businesses for free -- at least for a while. If you run a Google Apps domain, you can set up domain-wide restrictions on how your users interact with Google+. Your users can also make "restricted" posts to Google+ which are visible only to members of your domain. It's social networking, but with corporate oversight.That's sounds a lot like Yammer (which Microsoft recently bought for $1.2 billion) and Salesforce Chatter: Sharing streams designed for employee collaboration rather than personal socialization. It sounds less like Facebook, the undisputed heavyweight in social networking that Google+ was supposedly intended to depose. read more..