Go ahead and hate Google, but it guaranteed our heritage a future.

Speaking at LIFT 2007, Sugata Mitra talks about his Hole in the Wall project. Young kids in this project figured out how to use a PC on their own -- and then taught other kids. He asks, what else can children teach themselves?

Is India a Polish joke?

While news from Iran streams to the world, Clay Shirky shows how Facebook, Twitter and TXTs help citizens in repressive regimes to report on real news, bypassing censors (however briefly). The end of top-down control of news is changing the nature of politics.

We're at a unique moment in history, says UK Prime Minister Gordon Brown: we can use today's interconnectedness to develop our shared global ethic -- and work together to confront the challenges of poverty, security, climate change and the economy.

People want to be religious, says scholar Karen Armstrong; we should act to help make religion a force for harmony. She asks the TED community to help her build a Charter for Compassion -- to help restore the Golden Rule as the central global religious do.

Want to reach more than 500 million users with your social app? OpenSocial is the key. The OpenSocial standard will allow you to build apps that work across a number of massive social networks, including MySpace, Orkut, Ning, hi5 and LinkedIn.

Dan Gilbert presents research and data from his exploration of happiness -- sharing some surprising tests and experiments that you can also try on yourself. Watch through to the end for a sparkling Q&A with some familiar TED faces.

Around the world right now, one billion people are trapped in poor or failing countries. How can we help them? Economist Paul Collier lays out a bold, compassionate plan for closing the gap between rich and poor.