Strava's new API rules for third parties will make it harder for users across dozens of fitness apps and wearables to integrate their fitness data in one place (Victoria Song/The Verge)

Victoria Song / The Verge:
Strava's new API rules for third parties will make it harder for users across dozens of fitness apps and wearables to integrate their fitness data in one place  —  It might seem odd for one app's users to fume over an API, but at the heart of the matter is the inherent messiness of fitness data.