Time magazine last year named him one of the 100 most influential people in the world. His internet creation has more viewers than the total combined audience of BBC and CNN worldwide. Jimmy Wales, founder of Wikipedia, is all smiles when it comes to the democratising power of the internet. And his quest for a radical egalitarianism of knowledge will not be blunted. Radio National's Big Ideas program presents Jimmy Wales on his recent speaking tour to Australia. He answers his critics, and talks about the next stage of the revolution.