On Ello, Morbius writes that based on his research between 4-6 million people engage, interact, and post publicly on Google+. Anderson's analysis covers January 2015. Morbius cites a Re/Code ...

Social network Google+ to shut for consumers after software ... the Google equivalent of a Facebook like - as well as any posts you’ve created on the platform. At the bottom of the page, check ...

His research estimates active Google+ users defined as those that have made a post to Google+ in January 2015. He pulled Google's on Profile sitemaps and sample profile pages based on them.