Neither a success nor by any means a failure, Roku will nevertheless ask public investors for money because they, too, have a right to dream that magic will become reality one day.

What makes Samsung so mysterious is that it's not altogether clear who leads the company or what its leaders do. The company follows an avowedly Confucian model of consensus-driven decision-making, values bone-crushingly hard work, and shows tremendous deference to the founding Lee family, despite its lack of a controlling interest in its shares.

One of the world's most successful and yet mysterious companies in the world, Samsung Electronics, has been operating without its leader for months and likely will continue to do so for some time to come.

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