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Bluetooth

Bluetooth is a widely adopted wireless standard designed to replace cables for low-power data transmission over short spaces. The standard was developed by Swedish technology and telecommunications giant Ericsson in the early 1990s. Early versions of Bluetooth were not widely adopted thanks to poor cross-device implementation and security issues. Later upgrades to the standard increased security and manufacturers more closely adhered to design guidelines.

Current applications for the device-pairing technology include: wireless communication between cellular phones and handsfree handsets (one of the earliest and still most popular applications), wireless communication between computers and peripherals (such as keyboards, mice, and presentation pointers), and linking smartphones and media players to car stereos.

Many examples of embedded Bluetooth systems surround users without the user ever realizing they’re using Bluetooth. The controllers for the Nintendo Wii and the Playstation 3, for example, are linked to their respective consoles via Bluetooth technology.

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