Nandan Nilekani built Aadhaar, India’s vast digital biometric identity system. Now he wants to Aadhaarize the world.

Going to the database repeatedly is slow and operations-heavy. Caching stores recent/frequent data in a faster layer (memory) ...

Farran Powell is the managing editor of investing at Forbes Advisor. She was previously the assistant managing editor of investing at U.S. News & World Report. Her work has appeared in numerous ...