TAMPA — Will grocery shoppers casually scan a jar of peanut butter with their smart phone to find an online coupon?
Or will they use their smart phones to organize a strict shopping list and avoid splurging on an impulse purchases.
Those are suddenly billion-dollar questions in the grocery industry.
The opportunity to do something – anything – that combines the raging fad of couponing with Americans' love of cell phones has quickly triggered a rush of action and competition in the normally sleepy grocery market.
On one side are start-up companies like ShopSavvy, which had huge success with bar-code scanning to help people save money on electronics and clothes.
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