SPG and foursquare have teamed up and SPG members can earn Starpoints when checking in via foursquare. Through July 31, 2011, SPG members who link their account to foursquare will earn 250 bonus points when checking-in via foursquare with a confirmed reservation at any Starwood hotel or resort. Visit http://www.spg.com/socialcheckins to link your account and go to spg.com/foursquare to read about future offers.