![The Economist Radio (All audio) show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/026/794/small/the-economist-all-audio.jpg)
Summary: In a milestone for artificial intelligence, a program designed to play the ancient Asian game of Go has won the first of its five games against a human champion. It's an example of how smarter software, not just more powerful hardware, will drive progress in the computer industry in future