"Omi's wearable can go around your neck, but it is best worn stuck to your forehead near your temple-it has an electroencephalogram inside, and Omi claims that if you think specifically about talking to the wearable, the device will understand and perk up to receive your request."
"Voice assistants-which first landed in speakers and on our phones, but quickly moved to our wrists and face-at least required active engagement like a tap or a wake word to activate their ability to eavesdrop. But the next wave of hardware assistants... can absorb information passively and work in the background."
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