Kinetic Blog
Notes on tracking, fitness and privacy.
The Kinetic blog: automatic activity tracking, evidence-based fitness and app privacy, from iPhone location permissions to VO2 max and fat loss.
Fitness Tracker Apps Used to Be Automatic. What Changed?
Moves died, Google Timeline went on-device and iOS stopped handing out 'Always' location. Here's what happened to automatic tracker apps, and what works now.
How to Increase Your VO2 Max (Without Falling for the Hype)
What the research says about raising VO2 max: Norwegian 4x4, Tabata, 30/30, sprint intervals, easy base training, plus how accurate Apple Watch Cardio Fitness is.
The Easiest Way to Lose Fat: Walk More, Eat Protein, Skip the Magic Numbers
Daily walks and high protein are a strong fat-loss combo, but not for the reasons you've heard. The science on fasted cardio, 'fat-burning zones' and protein.
How to Tell What Data Your Apps Are Taking (Using ChatGPT or Claude)
A practical guide to app privacy labels, the iPhone App Privacy Report, data requests, and ChatGPT/Claude prompts that turn privacy policies into plain English.