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.

Refugees are in extremely vulnerable circumstances, lacking the protection of their own countries and facing immense challenges to their safety and well-being. The 1951 Refugee Convention, ...

For as long as small, hidden radio transmitters have existed, people have wanted a technology to detect them. One of the more ...

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