NEW YORK--(BUSINESS WIRE)--FitAd today announced its launch of the first-ever mobile and wearable advertising platform for fitness and health oriented brands and publishers. FitAd delivers targeted ads via a network extending to approximately 50 million monthly app and mobile site users. Recent research shows that fitness app usage is growing 87 percent faster than the overall app market. Almost one-third of U.S. smartphone owners, which is about 46 million unique people, used apps from the fit