Moravec's Paradox
A computer beat the world chess champion in 1997. Getting one to pick up a cup it has not seen before is still hard.
198811 min read
Cognitive psychology and psycholinguistics
Steven Pinker
1954
Canadian-American cognitive scientist at MIT and later Harvard. In The Language Instinct (1994) he gave Moravec's observation its most quoted formulation: the hard problems of artificial intelligence turned out to be easy, and the easy ones — recognising a face, crossing a room — turned out to be hard.