Tesla CEO Elon Musk has dominated conversations around the world ever since Twitter’s board agreed to sell the company to him. Seen as brash and controversial by many, he is nevertheless regarded as a visionary entrepreneur with ambitious plans for space travel and creating brain-computer interfaces.
Nilekani spearheaded the Indian government’s gigantic effort to create Aadhaar -- biometric IDs for all citizens -- and also helped unveil Unified Payments Interface or UPI --- a real-time and instant payment system. Thought ambitious, the projects have led to debate. Aadhaar gave rise to concerns about security and data privacy. A matter related to UPI is being considered by the Supreme Court.