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.
Amazon Alexa is one of the world’s most popular voice assistants, found on more than 600 million devices worldwide. Since its launch in November 2014, it’s helped millions of people with everything ...