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Re:RedLaser ― Impossibly accurate barcode scanning by crux_ on Friday November 06, 2009 @05:25PM (#927100)
Free app idea that I don't have the time to write... coupon-o-matic.

1) scan coupon barcodes, ideally using video (1-2 seconds per full page of coupons in one of those mailers?), beeping only for those you ought to keep based on what you buy and/or how good of a coupon it is.

2) automatically generate shopping list, based on coupons + what you normally buy.

3) Profit! (Well, less cost; potentially much less cost, given how many coupons there are out there, doubling, store coupons matching mfg ones, etc.)

3a) Optional: scan product barcodes as you're shopping, automatically crossing them off the list, indicating the coupon savings you should get, and also reordering the list based on what grocery department you're in...

Re:RedLaser ― Impossibly accurate barcode scanning by veemjeem on Friday November 06, 2009 @07:00PM (#927252)
It's too bad that the iphone screen doesn't scan via the laser barcode readers, otherwise it would be great to just show the coupon on screen.