TomTom Squeezes a Heart Rate Monitor Into Its GPS Watches

When we reviewed the TomTom Runner GPS watch last year, we pointed out that if you wanted to monitor your heart rate, you'd need to buy an extra accessory. But for athletes looking to seriously train their bodies, metrics on how fast or far they ran, swam, or biked isn't enough. So TomTom has updated the Runner GPS… » 4/02/14 3:20pm 4/02/14 3:20pm