Sports data is not just for the pros anymore. Weekend warriors and aspiring athletes alike are tapping into smart footballs, basketballs, and data-rich golf lessons to improve their game. Now Arccos ...

As a golfer and a techie geek, I’m always interested in gizmos that marry the two together. A few years back, I wrote about GolfSense, which uses a sensor on your golf glove and an app on your iOS ...