You think that social media is about hooking up online? For these kids [in the Tunisian Revolution], it was a military tool to defend unarmed people from murderers.

In one sense, the Internet is like the discovery of the printing press, only it's very different. The printing press gave us access to recorded knowledge. The Internet gives us access, not just to knowledge, but to the intelligence contained in people's crania, access to the intelligence of people on a global basis.

All one needs is a computer, a network connection, and a bright spark of initiative and creativity to join the economy.

The university is in danger of losing its monopoly, and for good reason. The most visible threat are the new online courses, many of them free, with some of the best professors in their respective fields.

Industrial capitalism brought representative democracy, but with a weak public mandate and inert citizenry. The digital age offers a new democracy based on public deliberation and active citizenship.

If you work for and eventually lead a company, understand that companies have multiple stakeholders including employees, customers, business partners and the communities within which they operate.

The social world is transforming the way we create wealth, work, learn, play, raise our children, and probably the way we think.