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The Essay At the Speed of Thought Episodes Available now
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Felix Salmon on High-Frequency Trading
5/5 Felix Salmon on high-frequency trading and its part in the current financial crisis.
![](https://ichef.bbci.co.uk/images/ic/320x180/p01hygvg.jpg)
Paola Tubaro on Mobs and Mobiles
4/5 Paola Tubaro examines the 'dark side' of social media in relation to 2011's English riots.
![](https://ichef.bbci.co.uk/images/ic/320x180/p01hygv6.jpg)
Claire Wardle on How News Travels Fast...
3/5 Claire Wardle on how news and Twitter feeds shape our response to events.
![](https://ichef.bbci.co.uk/images/ic/320x180/p01hygtt.jpg)
Laurence Scott on Information vs. Knowledge
2/5 How instantly available information is affecting the way we consider knowledge and wisdom.
![](https://ichef.bbci.co.uk/images/ic/320x180/p01hy6y7.jpg)
Scott Lash on 'Liquid Modernity'
1/5 Exploring how digital technology is dramatically changing our daily normality.