Fitbit invests $6M in Sano glucose-monitoring, hinting at future features

Wearables-maker Fitbit offers a range of devices with a strong focus on fitness, but there’s a strong indicator the company will soon strengthen its health features. Fitbit has recently made a $6 million investment in Sano, a glucose-monitoring startup developing tech that’s able to track blood sugar with a coin-sized patch. It’s exactly this kind of feature that several smartwatch …