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.
For more than a decade, Google’s share of global search traffic barely moved. It hovered between 91% and 93%, and the SEO industry built its workflow around that reality. As of March 2026, StatCounter ...
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