Baltimore Sun Sunday

They know what you like

Retailers track customers’ steps within stores

- By Lisa Gerstner

Joseph Turow, professor of communicat­ion at the University of Pennsylvan­ia and the author of “The Aisles Have Eyes: How Retailers Track Your Shopping, Strip Your Privacy, and Define Your Power,” says you’re being watched. Here’s how it works.

A: They want to send messages to customers based on their history with the store, their location in the store and their value to the store. For example, a store may see that you’re near the women’s shoe department and know that you’ve purchased shoes there before. It then sends you a text message or an advertisem­ent via the store’s app on your phone offering you 20 percent off if you buy shoes in the next hour. called beacons, which connect to your phone’s Bluetooth signal. Stores can also track you through your phone’s wi-fi connection. Outside the store, retailers can track you with GPS. If you’re near competitor­s, for example, retailers might send you advertisem­ents or coupons to lure you to them instead. When you use a frequent-shopper card, you allow a company to collect data about what you buy.

A: If you save a coupon on your phone to use in a store, keep it for a while. Or when you’re shopping online, put something in the cart and leave it there without buying. If the store thinks you’re not going to act, it may offer a larger discount.

A: If you look at companies that sell marketing data, such as Acxiom and Experian, a lot of what they have comes from retailers. For example, a store might sell informatio­n about which over-thecounter drugs you buy to a company that wants to sell you insurance. A: There are winners and losers. In a way, we’re back to the era of peddlers, who used what they knew about customers to charge them different prices or show them different items. Some companies might want your business because of your salary or how much you spend. But if you’re not valuable to a store because you only buy bargains, it will ignore you.

A: If you don’t want to be tracked in a store, shut off wi-fi and Bluetooth connection­s. Avoid using the store’s app, participat­ing in its loyalty program or paying with a credit card.

 ?? MATTY SYMONS/DREAMSTIME ??
MATTY SYMONS/DREAMSTIME
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