The Short Version
Google's Fitbit Air tracker previewed with a smaller body and an AI coach that no longer fabricates workout history.
Fitbit's AI coach has spent years confidently recapping workouts that never happened, so 'it now follows basic instructions' is a low bar that somehow still counts as news. The Fitbit Air pairs that fix with a body small enough to forget you're wearing it, which is the one thing fitness trackers have always promised and rarely delivered.