Starbucks testing mobile payment market, starts with iPhone app
techvibes.com
techvibes.com
The ability to reload money on it is an advantage as well. Not sure if there is anything advantage to a starbucks card in general; discounts, give aways, other than the wireless, but I like the app approach over the plastic in my wallet.
http://www.techcrunch.com/2009/08/01/pizza-huts-delicious-ip...
Except it is more geared at remotely ordering a pizza to be delivered.