How Foursquare Plans to Find More Money in Its Location Data

A couple of companies—including credit card giant Capital One Financial (COF, +0.53%) and coupon app SnipSnap—tested the new notifications function during a beta test, Mike Harkey, Foursquare vice president for business development, tells Fortune. Harkey is attending the Mobile World Congress in Barcelona to pitch the capability to potential partners, including telecom carriers.