Shoppers are not wanting for mobile app solutions. Now the in-mall video ad network Adspace is getting into the act, giving the company two screens on which to address mall-walkers.

While men and women both rely on their mobile devices for movie information, men are much more likely to view trailers and even more reliant on advice from friends when deciding on a flick.

Second-screen activity appears to be rising exponentially as this season of Fall shows hits the first screen. According to GetGlue, activity around Sunday night premieres was up over 200%.

In some sense, the nominally useful app for the Advertising Week festivities in New York City reflects the nascent state of mobile marketing within the industry. Advertisers are still figuring out what they really want to do with the platform.

To support the continued relevance of direct mail, the USPS is extending its earlier mobile code initiatives to the holiday mailing season. Maybe it is time to revive the Mr. Zip brand character to drum up some enthusiasm for QR codes on our mail.

Speed, not size or weight, is the real lead feature of the iPhone 5. It demonstrates how seamless, instant response from a device erases the longstanding inhibition most users have around 'wireless' platforms. In many respects, this thing is faster than my desktop.

The tablet market has become even more cluttered as B&N matches Amazon's refreshed Fire line with its own 'HD' Nooks and a much-needed streaming video store. But does a fragmented tablet space in the end just benefit Apple this season?

Are mobile platforms really too small to carry effective ads? Just as many in the trade press seem to be raising that question, Google launches a gallery that should disabuse the doubters that seem to be emerging as fast as, well, a backlash.

LocalResponse issued its first study of check-ins related to top retailers, and it turns out that Saturday is far and away the top time for mobile social shopping activity. And among store brands, Walmart's chatty Twitter strategy appears to be paying off.

Uh, oh. AR may be the new QR. And that is not necessarily a good thing. The new Rolling Stones AR campaign gets so much right about the enticing placements and creative, and then it just goes all QR on me.