The US is the source of just about all the technologies that define modern life: personal computers, operating systems, smartphones, e-commerce, web browsers, email, search engines, social networks, electric cars and the rest. And most of the tech companies that created and monetized these technologies are also in the US.

In this book Mehran Gul, the winner of the Financial Times/McKinsey Bracken Bower Prize, asks: is that changing?

Narrated by David Thorpe