• You'd have to already own an item to add it to the list.
Yes as one used a product you scanned it.
• It's more of a pain in the butt to scan an item into a list than to just write it down.
This is a computer program intergate a notes to iPod function. This could be said of the
Libary program itself ,"I can do that with 3x5 cards."
• Many items you buy don't have barcodes, such as produce and meat.
Lot's store chains use standard bar codes for meats.
• Most people don't need a specific version of something, they just need something in that class.
Hey you don't know my wife.
• Most people make buy-time substitutions based on store brands and sale items.
Again you don't know my wife. Many people have favorite brands that they use instead of store brands.
You don't have to do it it was just a thought. I am sure someone else will do it.
There are already several shopping software for OSX that use the bluetooth barcode scanner. I am sure there will be someone who will add the isight function to theirs.