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.

In the first of a multi-part series on how to design a custom chip for under $1,000, our Analog Editor gets you started with a Magnificent 7 list of textbooks. TinyTapeout offers a course that ...