GroundTruth (formerly knwn as xAd) provides a location-based marketing and advertising platform for publishers and developers. The company offers in-store targeting, proximity targeting, audience targeting, audience search, and measurement solutions; provides a self-serve marketing platform for real-time location-based campaign planning, buying, and reporting; allows users to find the right audiences based on the places they visit; provides actionable insights; and delivers access to large scale location-verified mobile audiences. It also allows users to amplify their media buys with location; enables users to create their own new campaign or make adjustments to a current campaign in real-time; provides a marketing platform that offers access to competitive and behavioral trends, and the ability to create, execute, and measure campaigns; and offers location-targeted mobile advertising.