In Depth: Samsung Pay: everything you need to know

There's a smaller battle waging within the never-ending smartphone wars that Samsung just managed to heat up: mobile payments. The Korean mega tech firm has announced the release of Samsung Pay, its answer to Apple Pay and Android Pay.While the service is limited to Samsung phones - and it's even more exclusive than that, but more on that later - it has a serious leg up on the competition through some clever tech and fruitful partnerships. Here's everything you need to know about Samsung Pay.Whe