Instagram!! Please help!!?

[Hello kitty]

I never shared my facebook on instagram but i keep getting stuff like " Your facebook friend ____ just joined instagram as ______" and they are not even my friend but im sure they are my sisters and they are from my sisters facebook! i also unlinked my sisters facebook from my account but i still get them and one of them followed me! what should i do to not let this happen to me every time and not let anyone of them know my instagram? thanks

[epicdorgon]

Maybe your sister logged on to your instagram app. :/

[Michael]

Did you know that Facebook owns Instagram? This is why even without sharing to Facebook, it will use your friends and friends of friends lists to suggest followers.