Check this out about Google+

https://www.technologyreview.com/the-download/612246/google-plus-is-to-be-shut-down-after-private-data-of-half-a-million-users-was/?utm_source=twitter&utm_medium=tr_social&utm_campaign=site_visitor.unpaid.engagement

Some interesting info on google+ that a lot of people did not know about. If you use google services you should read about how a private data breach happen with almost half a million users information.