Aadhaar 'beats' WhatsApp

As part of the canvassing exercise, Nilekani had held a walkathon for a better Bangalore. Afterwards, addressing people at the city's famous Cubbon Park, Nilekani said while signing off: "WhatsApp gained 450 million users in five years, but Aadhaar got 600 million 'users' in just 4.5 years." Who can beat that argument!