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.

How to go from a few teams to hundreds by Darrell Rigby, Jeff Sutherland and Andy Noble By now most business leaders are familiar with agile innovation teams. These small, entrepreneurial groups are ...

A great mobile phone doesn’t need to cost a fortune. In 2025, features once exclusive to high-end devices – big batteries, multi-camera arrays, high refresh rate OLED displays and more – have trickled ...

Clay Halton was a Business Editor at Investopedia and has been working in the finance publishing field for more than five years. He also writes and edits personal finance content, with a focus on ...

Warren Buffett became world-famous by buying undervalued companies and holding them long-term. Carl Icahn's reputation stems from improving company value through active management intervention. John ...

Smartwatches do more than just track your steps and deliver phone alerts to your wrist. The best smartwatches go even further, giving you the ability to pay for a cup of coffee, take calls and connect ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Doretha Clemons, Ph.D., MBA, PMP, has been a ...

The brazen attempt to kill the political leaders of Hamas in Doha could upend the foundations of an American-led order in the Middle East. By Vivian Nereim Reporting from Riyadh, Saudi Arabia Qatar ...

According to the American Psychological Association (APA), post-traumatic stress disorder (PTSD) may occur after a person experiences or witnesses a threat to their ...

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