There is an ongoing debate on whether QR codes are dying, or are still of value to marketers. Recent statistics from eMarketer.com show that 39% of US citizens between 18-24 have used QR scans in magazines, 38% in mail, 35% on posters, and 21% on websites. But these statistics are based on people scanning a QR code at least once. These statistics may be based heavily on curiosity rather than continual usage. 

[The author] lists reasons why QR codes could be on a steady decline, what they’re competing with, and some examples of creative ways to use them.

via QR Codes: A Technology Without a User Base? | Information Space