The world's greatest inventionJAN 06 2012

Tom Standage argues that civilization's best invention is writing.

It is not just one of the foundations of civilisation: it underpins the steady accumulation of intellectual achievement. By capturing ideas in physical form, it allows them to travel across space and time without distortion, and thus slip the bonds of human memory and oral transmission, not to mention the whims of tyrants and the vicissitudes of history.