Pebble 2's heart rate sensor makes it an attractive fitness tracker smartwatch

The Apple Watch, Android Wear and Samsung's own Gear S series may be the darlings of the smartwatch world, but the Pebble was the first successful one that anyone cared about. The smartwatch had an e-paper screen and was successfully funded on Kickstarter, which was just hitting its prime, in 2012. SEE ALSO: Michael Kors smartwatches are exactly what Android Wear needs Founder and CEO Eric Migicovsky asked for $100,000 to build and sell the Pebble. The internet gave him that within two hours of