Walmart teamed up with Proctor and Gamble to cruise the streets of NYC, promoting online and mobile shopping by selling their products from a "mobile shopping truck".  Similar to the popular food trucks in the city, this one offers consumers the chance to purchase P&G/Walmart products by scanning QR codes.  As part of the promotion, consumers will also be able to request the truck visit their neighborhood by tweeting @PGMobile

Check it out:

http://www.mediapost.com/publications/article/176365/walmart-pg-team-to-promote-mobile-shopping.html