This is the first in a series of blogs looking at the history and future of Web 2.0. From Facebook pages to viral Barack Obama speeches, the latest boom to hit the media is the rise of user-created content. Services such as Facebook and YouTube have created a new business model: rather than selling content to consumers, as media companies traditionally have done.

The old saying that the rich get richer and the poor get poorer applies to cyberspace, too: these maps comparing router and population density show that the developing world has a long way to go to catch up to North America, Western Europe and Japan when it comes to getting online. The One Laptop Per Child project aims to change all that, designing, constructing and distributing Internet-ready laptops to children in developing countries.