An introduction to how wearable devices turn health, movement, and recovery into constant visual feedback.

A timeline showing how self tracking moved from simple step counting to AI assisted health interpretation.

A visual look at what happens when wearable health data begins to conflict with real progress and lived experience.

A practical section on calorie estimates, user expectations, and the fitness context behind real progress.

How device data becomes feedback, feedback changes behavior, and behavior creates more data.

Research sources, APA references, AI media disclosure, and responsible digital curation for this project.