TC Roundup: Apple, Google, Samsung vie to bring health apps to wearables

Apple, Google, Samsung vie to bring health apps to wearables: For decades, medical technology firms have searched for ways to let diabetics check blood sugar easily, with scant success. Now, the world's largest mobile technology firms are getting in on the act. (Reuters)

A new health wristwatch may resuscitate Microsoft's HealthVault platform: Rumors of a new health-focused wristwatch from Microsoft have been swirling for some time now, and a digital health industry source told VentureBeat that those rumors are true. (VentureBeat)

Google's Nest to buy video-monitoring security startup for $555 million: Google Inc.'s Nest Labs said it agreed to buy video-monitoring and security startup Dropcam Inc. for $555 million as part of a push to become the dominant operating system for connected devices in and around the home. (The Wall Street Journal)