Back up to: The Essay
5/5 Felix Salmon on high-frequency trading and its part in the current financial crisis.
4/5 Paola Tubaro examines the 'dark side' of social media in relation to 2011's English riots.
3/5 Claire Wardle on how news and Twitter feeds shape our response to events.
2/5 How instantly available information is affecting the way we consider knowledge and wisdom.
1/5 Exploring how digital technology is dramatically changing our daily normality.