Hello again and welcome back to Fast Company’s Plugged In. If you owned a smartphone a decade and an half ago and were into cool new apps, there’s a more-than-decent chance you tried one called Foursquare.…
To find the hottest restaurant, bar or concert venue in town, many young adults are no longer checking in with their friends. They're "checking in" virtually via Foursquare, a location-based social networking site.…