Retailers like JCPenney, Sears, and Kmart hook us by suggesting we send them a text for special sales and discounts, the Washington Post reports. But while "Sears and Kmart promoted a mobile app that allows shoppers to order merchandise and have it shipped to a nearby store [and] American Eagle gave away free smartphones to anyone who tried on jeans ... many retailers are still waiting to see … [Read more...] about Back-to-school shopping on cellphones