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Something like the image below? If so they are called QR Codes and you can scan them to install software to your phone using an app called Barcode Scanner.
Yes, that is the boxes. I do have bar code scanner, it doesn't really work too well. I have shop savy too. I thought it was the barcode scanner, but again, that doesn't work too well.
Diordna - how the heck do you look something up on Google when you don't even know what it is called?! type in something like, black box with dots....yeah right. But, thanks for the tip.