Exclusive: Upcoming Apple Watch to include game-changing health features

There's no doubt about it — the Apple Watch is a hit. While Apple has not disclosed sales numbers, smart money has the device, now in its second generation, at over 25 million units sold. That not only means the watch is a scorcher that is now beating the initial trajectory of the iPhone, but recent estimates also crown it the world's top-selling fitness device, outpacing dedicated fitness trackers from the likes of Fitbit in regards to market share. The