More QR Codes in Retail

QR codes are gaining momentum as they increasingly appear on shelf tags, in-store posters and product packaging

In Supermarketnews, more examples of how scan able codes are being used in retail for a number of information applications.  We explored this early on, and now that there are more people with in phone scanners, the applications, extended-packaging, even game applications are increasing in number.  Here are a number of simple examples. My guess is that this will become near ubiquitous.  Is retail and consumer packaged goods ready?