Through its enterprise IoT analytics and sensors, it gathers and interprets rich data so that marketers have a more sophisticated understanding of valuable business relationships and interactions at conferences, exhibits, and product activations. Headquartered in San Francisco, Loopd has raised $2.5 million in seed investment from Marc Benioff (founder of Salesforce), Tim Draper (founding partner of DFJ Ventures), Rick Dalzell (former CIO at Amazon) and other top investors.