In 2018, nearly 3.7 billion new Bluetooth-enabled devices shipped worldwide to consumers. From phones and speakers to thermostats and fridges, home appliances and personal devices including “wearables” are rapidly becoming more connected by Wi-Fi than ever before, creating what’s called the Internet of Things (IoT). In theory, connecting devices through the IoT allows users to seamlessly automate or control digital tasks, but new research from Boston University suggests that these Bluetooth-enabled devices might be broadcasting your location and habits to third-party observers.
https://www.bu.edu/articles/2019/fitbit ... erability/