Pro tip: To leverage QR codes effectively, incorporate your restaurant colors in the code design and use your restaurant logo. This will boost customer retention while acting as subtle marketing ...

[Roger Ver] attempted to use a QR code containing a private key to give away some cryptocurrency on TV, but the code was blurred out by the broadcaster. Not ones to give up easily, [Michael] and ...

Convoluted marketing messages detract from the effectiveness of using the QR code in the first place. Rambling lists of instructions and bullet points to get your message across are a definite no-go.