Today, artificial intelligence is changing every aspect of our lives - nothing like we have seen since the discovery of electricity. But any powerful new technology carries with it potential dangers, and prominent figures such as Stephen Hawking and Elon Musk have made no secret of the fact that they see AI as a possible existential threat to humanity. So should we be afraid of smart machines? Garry Kasparov's matches with the IBM supercomputer Deep Blue became the most famous in the history of man-machine fights. And now he's using his decades of experience battling computers to take a look at the future of artificial intelligence. Kasparov tells why there is no need to be afraid of new technologies and how intelligent machines will help people turn their dreams into reality.