At the World Economic Forum held at Davos in Switzerland, in the backdrop of worsening Europe crisis leaders tried to find ways to bring the world economy back on its feet while campaigners made their presence felt that capitalism needs to redefine itself. NDTV also spoke to big names like Bill Gates, Desmond Tutu, Google's Nikesh Arora, Sachin Pilot, Infosys' Kris Gopalakrishnan, Azim Premji and Rahul Bajaj among others along the sidelines.