The Unofficial Apple Weblog has an article of pure genius. We’re talking Wile E Coyote kind of “pure genius”. Albert has created a photo album of all his membership cards and put it on his iPhone and effectively reduced his bulge on his butt. I am so trying this on my Shoppers/Costco/Air Miles cards!
It’s proven that the barcode, if its a clear scan, will read, and if the person scanning it isn’t a luddite who won’t trust your crazy machine as proper identification, you can reduce your wallet considerably.