In 2003, it seemed like the shopping technology of the future: portable computers that could scan bar codes and let customers ring up purchases as they strolled through supermarket aisles, without having to wait for a cashier to check it all out at the end. Surely, millions of Americans would soon...
<A HREF="http://www.boston.com/business/technology/articles/2012/03/12/modiv_and_aislebuyer_apps_turn_smartphones_into_retail_scanners/">Read More</A>