The one where apple owns the patents and collects licensing fees for every bluetooth device. "Apple holds numerous Bluetooth-related patents, including those for improving pairing speed and functionality, integrating Bluetooth with other technologies like NFC and Wi-Fi for mobile payments, and creating specialized devices like a Bluetooth headset with a built-in MP3 player. The company has also patented systems for Bluetooth Low Energy (LE) network sharing for wearables like smartwatches. Apple has also been involved in patent disputes, and recently won a case against claims of infringing on Bluetooth pairing patents."

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