ARCADIA, Calif. — Vons Grocery Co.  shoppers who link their loyalty cards to their Foursquare account can earn free PepsiCo products.
Foursquare is a location-based social networking website through which users are awarded points and rewards for “checking-in” frequently at venues.
At Vons, checkout coupons for free Pepsi, SoBe, Izze and Tropicana products are awarded to those based on their Foursquare “check-in” activities.
“Grocery shopping at Vons just got more social,” Vons sates at vons.com/foursquare . “Sign up now and you will automatically earn special rewards based on your Foursquare badges and ways you explore your city on Foursquare.”
As a reward for signing up, Foursquare users get a free four-pack of Izze 8.4-ounce cans or bottles after their first purchase.
The promotion runs through Feb. 8, 2011.