> I keep wondering: Does anyone actually use these social buttons?
The suppliers of said social buttons do; every time you see one while you're logged into FB / G+ / Twitter, a hit of you visiting that site is registered at said parties, and they can all, thanks to the prevalence of these sharing buttons, track your internet usage.
The suppliers of said social buttons do; every time you see one while you're logged into FB / G+ / Twitter, a hit of you visiting that site is registered at said parties, and they can all, thanks to the prevalence of these sharing buttons, track your internet usage.