In Las Vegas, Nike launched its successful Nike+ fitness software just four years ago, but nearly 4 million users have turned it into the most popular and widely available run-tracking UI ever. And just four months ago, Nike enabled GPS tracking in a completely overhauled iteration of its mobile app. Now, Nike has partnered with TomTom to bring GPS functionality and Nike’s run-tracking prowess to your wrist. @Tatwza @DjJuanyto