The outdoor media company Outside Interactive Inc. acquired the fitness tracking app MapMyFitness from Under Armour on Friday, Outside Interactive chief executive Robin Thurston told ADWEEK. Financial details were not disclosed. The tie-up is a homecoming for MapMyFitness, which also includes the apps MapMyRide, MapMyRun, and MapMyWalk. Thurston, alongside co-founder Kevin Callahan, created MapMyFitness in…Read More