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.

Technology isn’t the biggest challenge. Culture is. by Tim Fountaine, Brian McCarthy and Tamim Saleh Artificial intelligence is reshaping business—though not at the blistering pace many assume. True, ...

Even if you’ve let your hydration habits slip (or you never glugged a ton of water in the first place), it’s never too late to get back on track and set yourself up to reap the health benefits of ...