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Apple's patent is part of a broader trend among tech giants towards wearable brain-computer interfaces (BCIs). These devices come in various forms, including wristbands, glasses, and earpieces, all aimed at seamlessly bridging the gap between the human brain and digital technology. The idea is to create a natural, hands-free way of interacting with our devices by simply thinking about what we want to do — whether that's sending a text or controlling smart home devices.