South African health insurer rewards customers for hitting their sleep goals
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[image: Woman with natural curly hair lying in bed wearing a light blue
tank top, with white bedding rumpled around her]
Discovery Vitality is integratin...
Tuesday, October 19, 2010
Tweets can predict the stock market
An analysis of almost 10 million tweets from 2008 shows how they can be used to predict stock market movements up to 6 days in advance. Read the research paper here.o