In fiscal year 2025, Giesecke+Devrient (G+D) reaffirmed its position as global leader in SecurityTech for mission-critical infrastructure. In a market where security is becoming essential for ...
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.