Bluetooth Low Energy, a wireless communication technology designed for short-range data exchange with minimal power consumption. Used in fitness trackers, smartwatches, and IoT devices.
Acronym from 'Bluetooth Low Energy'. Bluetooth itself named after King Harald Bluetooth of Denmark (10th century), who united Danish tribes. 'Low Energy' added in 2010 to distinguish power-efficient version.
BLE perfectly embodies the modern paradox of connectivity - we want our devices constantly talking to each other, but also want batteries that last forever. This technology makes the Internet of Things possible by letting devices whisper instead of shout.
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