Jim Gray’s challenges
1.The Turing test: win the impersonation game 30% of the time.
•Read and understand as well as a human.
•Think and write as well as a human.
2.Hear and speak as well as a person: speech↔text.
3.See and recognize as well as a person.
4.Remember what is seen and heard; quickly return it on request.
5.Answer questions about a text corpus as well as a human expert.  Then add sounds, images.
6.Be somewhere else: observe (tele-past), interact (tele-present).
7.Devise an architecture that scales up by 106.
8.Programming: Given a specification, build a system that implements the spec. Do it better than a team of programmers.
9.Build a system used by millions, administered by ½ person.
•Prove it only services authorized users.
•Prove it is almost always available: (out < 1 second / 100 years)