Apple Watch 2 doesn't track elevation, and other stuff fitness nerds will want to know

Earlier this week The Verge published a full review of the new Apple Watch Series 2 smartwatch, which has been positioned largely as a health and fitness tracker. I wrote about its improved water resistance, the addition of a built-in GPS antenna, and some of the fitness-focused changes in the software.
Since then, though, a lot of readers have sent follow up questions about the new Watch, specifically around its health and fitness tracking. Lucky for you, I am still working out with the darn th