MediaCart offers digital screens for shopping carts

Advertising Age: The shopping cart as ad medium — a so-far elusive dream for everyone from fledgling entrepreneurs to Rupert Murdoch's News Corp. and Saatchi & Saatchi CEO Kevin Roberts — may finally have found its killer app. At least that's what backers of MediaCart, a shopping cart with video-, voice- and radio-frequency identification, are hoping. MediaCart quietly rolled into a three-store pilot in the Northeast on Feb. 1, said company executives, who noted that the system has drawn interest — if not commitments so far — from the nation's top 10 retailers. The company plans two more regional tests by summer and a national rollout by year-end.

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