Brand MarketingData Is Transforming This Experiential Marketing AgencyAll Terrain's clients include The Cosmopolitan, Illinois Lottery, Chicago BlackhawksBy Noreen O'Leary|April 16, 2014ShareBy Noreen O'Leary|April 16, 2014Share Specs Who Co-founders Brook Jay (l.), CMO, and Sarah Eck-Thompson, COO What Experiential marketing agency Where Chicago Proponents of experiential marketing argue that it’s the original real-time marketing discipline where brands get directly in front of consumers and acquire immediate feedback. Now data may help support that case with efforts like All Terrain’s work for client The Cosmopolitan hotel and casino in Las Vegas. Last year, the agency gave United Airlines travelers on Vegas-bound flights stylish playing cards featuring offers at the venue. Backed by a digital program on United’s website, the initiative provided ROI: The Cosmopolitan enrolled 30,000 new loyalty members, surpassing its 2013 goal within the first eight months. The Chicago-based shop also works for the likes of the Illinois Lottery, Chicago Blackhawks and media agency group Starcom MediaVest Group. Adweek Adweek