
Starwood Preferred Guest is teaming up with Foursquare to encourage and reward guests who check-in on the geolocation-based social media site. SPG members who link their accounts to Foursquare are rewarded with bonus points whenever they check in with a confirmed hotel reservation.Starwood Preferred Guest is teaming up with Foursquare to encourage and reward guests who check-in on the geolocation-based social media site. SPG members who link their accounts to Foursquare are rewarded with bonus points whenever they check in with a confirmed hotel reservation.