Kate Middleton may have access to the royal jewelry box, but apparently, she’s just as into wearable tech as the rest of Us. The Princess of Wales was spotted wearing a smartwatch while hiking, proving that even a royal-approved accessory can be surprisingly practical. Better yet, her exact go-to smartwatch is sitting on Amazon right now. Earlier this year, Middleton was spotted taking on the Three Peaks Challenge at Mount Snowdon wearing red North Face sport shorts, a navy tee, baseball cap, hiking boots and a trekking backpack. But it was the Apple Watch on her wrist that caught our attentio...