Keep adding sensible folders as is needed, words that customers can remember and numbers that are easy to type in. Hey the QR can still point to this, but give me something I can type in, or even remember and look at later.
By only using QR you are telling the customer that they are too stupid to type in a URL, to lazy to remember one, yet tech savvy enough to know what the barcode actually is.
They buy a new short url: http://BB.GD/shoes/1234
Keep adding sensible folders as is needed, words that customers can remember and numbers that are easy to type in. Hey the QR can still point to this, but give me something I can type in, or even remember and look at later.
By only using QR you are telling the customer that they are too stupid to type in a URL, to lazy to remember one, yet tech savvy enough to know what the barcode actually is.