RMIT uses Foursquare check-ins to predict drug busts.

Source: Real-time social media location data used to predict crime – Software – iTnews

Using information from ten different cities around the world, the researchers, led by the University of Cambridge, have developed a model that can predict with 80% accuracy whether a new business will fail within six months. The results will be presented at the ACM Conference on Pervasive and Ubiquitous Computing (Ubicomp), taking place this week in Singapore.

Source: Social media data used to predict retail failure | University of Cambridge