Ex-Google executive Mo Gawdat defines Intelligence.

"If we accept that intelligence itself is not a physical property, then it does not matter whether that intelligence is produced on carbon-based computer structures like humans, silicon-based computer structures like today’s hardware running AI, or quantum-based computer structures in the future.

Intelligence is produced within machines when we stop imposing our own intelligence on them."

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From 'The Diary Of A CEO and Mo Gawdat' YT channel (link in comment)