4 ms·"...will not be able to sign up for Instagram later with the same account name" - I wonder why?...by crististm 14y ago"...will not be able to sign up for Instagram later with the same account name" - I wonder why?...micaeked 14y agoi'm guessing to prevent the possibility of impersonationcrististm 14y agoThat is a valid assumption. But I don't give them full credit for it.