The launch of the iPad proved to be its own challenge for Jobs. The lukewarm reception it received at its launch -- which included more than 800 emails from users to Jobs -- "annoyed and depressed" the then-CEO.
"I kind of got depressed today," Jobs told Isaacson the night after the iPad launched. "It knocks you back a bit."
Of course, the iPad survived its initial criticism and went on to be a resounding success.
Read More [via AppleInsider]