Modiv Shopper: Using data mined from consumers to target advertising on the spot.

From MIT Technology Review, October 20, 2009

Grocery stores in the United States and elsewhere have gotten customers used to carrying "loyalty cards" that track their shopping habits in exchange for in-store discounts. The Modiv Shopper, made by Modiv Media of Quincy, MA, takes things one step further. Customers using the device, which works with the store card, can save time by scanning and bagging their own groceries as they shop. Meanwhile, it displays advertising and offers electronic coupons for instant savings, all chosen according to the customer's purchasing history and location in the store. Introduced in July 2007, the Modiv Shopper is now used in 260 stores. The company says customers who use it spend $7 more per trip--and visit the store 10 percent more often--than they would otherwise. Modiv makes its money by licensing and developing its system for retailers and by collecting advertising revenue whenever an offer is displayed.

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