It seems to be a subtle critique of Google. I read it as Circle = Google, ad business where Mae works = AdWords, tablets = Android, zings = tweets / Google+ shares, new camera = Google Glass.
You don't even have to work for a social media company to see the "community building" pressure; any modern, web-friendly, "agile" firm is trying to get its employees to invest themselves into the company. If you are part of the community, its harder to switch jobs.