Familiar with this scenario? You put off grocery shopping until the weekend, curse your way through the irate Sunday morning hordes, and then schlep your food all the way home only to realize you forgot to buy dish soap and use those coupons. Good thing, then, that SK Telecom is trialing a new service that syncs items from a smartphone app -- like a shopping list -- to its tablet PC-equipped Smart Cart. Hailed by the company as the first of its kind, this real-time aide uses indoor positioning to provide product info, tips and discounts while you peruse those c
