Beep. You hear it every time you buy a product in a retail store. The checkout person slides your purchase over a scanner embedded in their checkout stand, or shoots it with a handheld scanner. The ...

To marvel at the choice and convenience of modern shopping, go visit your grocery-store mustard aisle. My local Whole Foods sells more than 20 different kinds: basic yellow mustard and Grey Poupon, ...

I need a barcode scanner that can read barcodes from phone screens. What, specifically, do I look for to make sure at can read barcodes on screens? If you need a barcode scanner as in One you plug ...