Jan 30 (Reuters) - Shares of videogame companies fell sharply in afternoon trading on Friday after Alphabet's Google (GOOGL.O), opens new tab rolled out its artificial intelligence model capable of ...

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Twenty years after the introduction of the theory, we revisit what it does—and doesn’t—explain. by Clayton M. Christensen, Michael E. Raynor and Rory McDonald Please enjoy this HBR Classic. Clayton M.