This company Derwent Capital seems to be able to generate quite a return with data mining twitter feeds. http://www.telegraph.co.uk/technology/twitter/8755587/T

This company Derwent Capital seems to be able to generate quite a return with data mining twitter feeds. http://www.telegraph.co.uk/technology/twitter/8755587/Twitter-becomes-latest-tool-for-hedge-fund-managers.html http://www.telegraph.co.uk/technology/twitter/8755587/Twitte...