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.

I've been testing PC and mobile software for more than 20 years, focusing on photo and video editing, operating systems, and web browsers. Prior to my current role, I covered software and apps for ...

Using an internal fingerprint reader is just a matter of making sure it’s activated in the BIOS. Using an external reader with your desktop or laptop is typically a plug-and-play process. In either ...