The problems Google has have nothing to do with Facebook being better, or G+ being empty or whatever. Facebook is terrible.
I care when services that I do use, purely by virtue of being bought/owned by google, are claimed by a social site I don't use.
And as a result, I never used Quora.
https://www.facebook.com/help/224995697512520 https://www.facebook.com/help/292517374180078