The Internet, like the steam engine, is a technological breakthrough that changed the world.

Google has withdrawn from China, arguing that it is no longer willing to design its search engine to block information that the Chinese government does not wish its citizens to have. In liberal democracies around the world, this decision has generally been greeted with enthusiasm.

Today, if you have an Internet connection, you have at your fingertips an amount of information previously available only to those with access to the world's greatest libraries - indeed, in most respects what is available through the Internet dwarfs those libraries, and it is incomparably easier to find what you need.

In the real world, 90% of the money spent on medical research is focused on conditions that are responsible for just 10% of the deaths and disability caused by diseases globally.

The technological breakthrough of the World Wide Web has been enormously beneficial to society.

In an ideal world, the amount of money we spend on medical research to prevent or cure a disease would be proportional to its seriousness and the number of people who suffer from it.