In "Nolan Bushnell" which of the following descriptions best reflects how Bushnell's first computer game was initially received?
a) it was moderately received mainly because Bushnell claims that the engineers were incompetent
b) it was a wild success selling thousands of games immediately for months
c) it was a major success but only for a few weeks until sales steadily dropped
d) it was well-received despite Bushnell's doubts about his product