Hey guys, I've had an Apple ID since around 2003 and it's just a name "aaronxx" for example. I want now to change it so as it's the same as my twitter account. You CAN change your apple ID, however, when I delete "aaronxx" and enter a new name it says "enter a valid email address". When did apple ID's change to actual email addressees? Can you no longer just have a username? Thanks in advance.