This Week in Location Based Marketing #70: Tripbirds, Waytag + GoldRunhttp://untether.tv/2012/this-week-in-location-based-marketing-episode-70-social-travel-with-tripbirds-waytag-and-the-wynn-las-vegas-goldrun-founder-vivian-rosenthal// by robwoodbridge • 14 years ago 1 0 14 years agoUNuntether.tv