After a summer of sport, the London Olympics and Paralympics have ended and the city is now returning to normal. For London, normal means roads and public transport that are crammed, especially at peak times. It was all very different during the games, when many of the streets and shops in this dynamic city were eerily deserted. What made behaviours change so dramatically? And what lessons can be learned for behaviour change in other arenas?
Social networks can spread the Olympic effect
Nature 489, 337 (20 September 2012) http://dx.doi.org/10.1038/489337a