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

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...