TP Sreenivasan talks in his Long career as a diplomat of how it was, the roots of how Diplomacy started, and what changed from the medieval period to today. He talks as to what would be the future of Diplomacy in an Age Unknown. T. P. Sreenivasan is a former Indian diplomat who served as Permanent Representative of the Government of India at the United Nations Office at Nairobi as well as Permanent Representative of India to the United Nations and the International Atomic Energy Agency, Vienna. This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at www.ted.com/tedx