There’s a developer in Lagos, let’s call him Tobi, who used to spend the first three hours of every workday writing the same kind of code. CRUD functions, API boilerplate, unit test scaffolding.

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.