Next time you check in to a location on Foursquare, you may see an ad pop up right after.
AdAge reports that brands like Toys 'R' Us and Captain Morgan have started placing ads that appear after users check in to locations...
Next time you check in to a location on Foursquare, you may see an ad pop up right after.
AdAge reports that brands like Toys 'R' Us and Captain Morgan have started placing ads that appear after users check in to locations...