How your search queries can predict the future

«Real-time web search – which scours only the latest updates to services like Twitter – is currently generating quite a buzz because it can provide a glimpse of what people around the world are thinking or doing at any given moment. (...)
The latest research from the internet search giant Google, though, suggests that real-time results could be even more powerful – they may reveal the future as well as the present.»
New Scientist