My most recent trip to Scotland was a sentimental journey of sorts – a nostalgic nod to my first visit as a 20-something just beginning her love affair with the British Isles in general and Scotland ...

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.