GroundTruth (formerly known as xAd)

Founded in 2009, xAd is a global mobile-location ad platform, and delivers targeted mobile ads based on accurate user location and search context. Across its network, the company aggregates and manages billions of monthly ad impressions from which it derives the largest supply of location-based advertising inventory in the market.

xAd rebranded to GroundTruth in June 2017.