It's a well-known speech, and one of Jobs' most notable public appearances ... It was pretty scary at the time, but looking back it was one of the best decisions I ever made.

Speaking at the commencement ceremony at Duke University, Cook encouraged the students in attendance to learn from the example set by Apple founder Steve Jobs ... also used the speech as an ...

However, Jobs noted the lack of interaction as a limitation and envisioned a future where machines could embody an underlying spirit or set of guiding principles. In the speech, Steve said ...