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.

April 21, 2026 • Noah Kahan's songs radiate empathy for loved ones and places from his past. After a gradual rise, the Vermont singer-songwriter finally makes his Tiny Desk debut.