Ken Olson, president of Digital Equipment Corp. in the late 1970's, Thomas J. Watson, chairman of IBM in the early 1940's, and Thomas Edison all made predictions about technology that were extremely wrong. Which of the following explains why the predictions of experts are often so far off?
a. All of these
b. Lack of imagination about the uses people would find for technology
c. Lack of imagination about what the public would pay for
d. Lack of imagination about what the public would like