A few days ago, Strava upset its users over some restrictive API changes. 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.
Here’s a typical scenario. Say you’re all in on Garmin’s platform. You use their watches for running and strength training. Then, you pick up a Peloton bike for indoor cycling. Well, Garmin devices aren’t compatible with Peloton bikes because the two companies haven’t struck a…
