Hal Varian, chief economist at Google, discusses methods of big data analysis that can indicate not just correlation but also causality.
The key to using technology for social impact at scale lies somewhere between doing the same thing better and true disruption.
A venture capitalist argues that the liberal arts are at the heart of the best technology.
Technological innovations have the potential to transform education, but only if they encourage a more active learning environment that fosters critical thinking.
Addressing non-urgent, lasting conditions such as poor eyesight can help unlock the full potential of the developing world.