I just used Passbook for the first time on my iPhone 4s and to be honest, I'm pretty impressed. I walked into Starbucks, showed the pass, had it scanned and walked out with a coffee. Cool, but now what?!
Furthermore, I've also been reading some blogs about the actual adoption of these cards by large and small scale businesses and I'm really curious what sort of things other people see Passbook being used for? I read that someone manually converted their IKEA card to a passbook card. Will converting your own cards catch on?
Personally I'd really like this tech to catch on. For instance, it would be amazing to add my Gym Membership card and perhaps the loyalty cards I keep in my wallet to passbook.
So I'm curious, do you think Passbook will catch on in the mainstream? If so, what sort of cards would you you like to have in passbook instead of in your Wallet?

Moderator
CNET Staff
Samsung Staff
Dell Staff