Back-to-school season is the second most lucrative period of the year for the nation's retailers, behind only the winter holidays. But this year, shoppers are armed to save as never before, with smartphones outfitted with price-comparison apps. Here are some ways retailers are responding.
With retailers moving out of crisis mode, they're back to investing in new bells and whistles for their stores and websites. Such as: Apps that send coupons to your smartphone or digicams that let you post pictures of a dress you're considering to your Facebook page.