Originally Posted by
magiciansampras
Yeah.. I also worry about situations in which I need to use a computer to quickly find something in my email and I don't have my phone with me or something. I suppose those situations are rare, but I do worry about the odd exceptional situation.
They do offer a list of 10 "backup codes" that when printed is similar to the the size of a credit card. Each code can be used once. I keep mine in my wallet.