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.

Founder and CEO Eric Migicovsky asked for $100,000 to build and sell the Pebble. The internet gave him that within two hours of the campaign going live and over $10.2 million by the end of the crowdfunding.

Even with several versions under its belt — the Pebble Steel, Pebble Time and Pebble Time Round — the company decided to turn to Kickstarter once again to fund the more fitness-focused Pebble 2 + Heart Rate smartwatch that I've been wearing for the last week. Read more...