Understanding capitalism is in some ways simple. At its best, capitalism rewards creators, makers and providers: the people and firms that create valuable things for others, like imaginative technologies and good food, cars and drugs.

The City of London has never been known for understanding technology and has never matched Silicon Valley's tradition of knowledgeable investment in technology start-ups, just as the U.K. government has never matched the vast investment made by the U.S. government.

Learning isn't something you should only do solo.

The wrongful arrest of tens of thousands of British Muslims after the September 11 attacks can be explained by the very poor intelligence the police had, and, just possibly, excused by the fact that a terrorist action in Britain linked to British Muslims would have been hugely damaging.

Any sufficiently advanced technology is indistinguishable from magic.

Baidu and Google are great companies, but there are a lot of things you can do outside them. Just as electricity and the Internet transformed the world, I think the rise of modern A.I. technology will create a lot of opportunities both for new startups and for incumbent companies to transform.

Healthcare is an area that has the greatest potential to benefit from technology.

Being an online platform, we ran into challenges with Cuba's lack of Internet accessibility. We were able to work around that by creating a program unique to Cuba where many local hosts are working with hosting partners who have Internet access and can help them manage their Airbnb requests and bookings.