Smartwatch maker Pebble, one of the first companies to popularize the modern smartwatch concept, has launched a new device, called Pebble Core, that specifically targets runners. Unlike Pebble's other devices, Core is not a wristworn device, but a "a tiny little Android phone without a screen" that runners can clip-on or stick in their pocket, Pebble CEO and co-founder Eric Migicovsky told...
