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Wearables and the Future of Personal Data Wearables have moved from novelty to daily life. A smartwatch or fitness band tracks steps, heart rate, sleep, and even stress. This steady stream of data shapes how we understand health and daily routines. The devices stay with us most of the day, so data flows continuously, not just when we open an app. But personal data from wearables is not only about numbers. It builds a picture of our choices, habits, and time spent on activities. When many apps share this data, the picture grows large. That can help doctors, coaches, and researchers, but it also brings risks if data is misused or not well protected. ...

Wearables Tech: Data, Privacy, and Applications Wearables like fitness trackers and smartwatches have become everyday tools. They collect a steady stream of data: steps, heart rate, sleep patterns, calories burned, GPS routes, and app activity. This data helps people stay active, train smarter, and spot health trends. At the same time, it creates privacy challenges. When data moves from a device to an app or cloud, it can be stored, shared, or exposed in a data breach. ...