"The history of technology you probably know is one of men and machines, garages and riches, alpha nerds and programmers. But the little-known fact is that female visionaries have always been at the vanguard of technology and innovation--they've just been erased from the story. Until now. Women are not ancillary to the history of technology; they turn up at the very beginning of every important wave. But they've often been hidden in plain sight, their...