Jack Dorsey unveils 'Dessa' AI that talks & listens like humans

Twitter Co-founder Jack Dorsey's firm Block unveiled an AI voice model 'Dessa' that supports simultaneous listening and speaking, calling it "the most authentic full-duplex speech model ever built." "Talking with it feels like talking with a person...full of emotion, nuance, pauses, and a natural cadence," Dorsey said. The model is trained completely on human conversations without using text.