This model is running on the special activity tracker program on our micro:bits right now. Yussef: That's really cool. It sounds a lot like artificial intelligence. Tilly: Yeah, we seem to be ...

activity, calories, and even your sleep. So if you don't want to fork out on one of the best fitness trackers or best smartwatches, a cheap fitness tracker will get you plenty of bang for your buck.

While running is the main activity that users track, running watches also pack a catalog of information on activities such as cycling and swimming. Running watches are designed to help you make ...