iTunes lets you change the e-mail address associated with your account, but not your account name. If you use an e-mail address as the account name and then th

iTunes lets you change the e-mail address associated with your account, but not your account name. If you use an e-mail address as the account name and then that e-mail address goes away, you may be in for some serious hurt when you try to change the associated account. Been there, done that.