Excellent article on how innovation is stifled in large companies that either need to be or want to be predictable. 

Passionate employees are not always the happiest, he said, as many chafe at the corporate barriers to innovation. In fact, Hagel said he finds that most large American companies discourage passion among their workers. ”Passion is extremely unpredictable in a world of ‘push,’” he pointed out, referring to the older proprietary business models. “Prediction is everything. Passion is a very dangerous emotion. Passion is something you pursue outside of the workforce — not in the workplace.”