On the communications front, users can add people to the contacts dial, create Digital Touch sketches in multiple colors, reply to emails, and conduct Facetime Audio calls. Users will also be able to share their workout achievement medals over Facebook or Twitter.
Some features from iOS 9 are making their way over to the Watch as well, including transit directions and loyalty cards for Apple Pay. Siri is also getting some new powers, including a way to initiate workouts, jump directly to Glances, and control HomeKit devices with prompts like "set the dinner scene."
As with all software updates, WatchOS 2 will be free, though Apple hasn't given an exact release date.
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