Telecom Italia's Big Data Challenge sought to create and develop innovative technological ideas in the field of big data in order to spur innovation in this sector and improve the lives of individuals, companies and communities. For the Challenge, Telecom Italia collaborated with various Italian industries to pool data between November 2013 to December 2013 into one aggregated, geo-referenced dataset for participants to use for the competition. During the contest, the data for Telecom Italia's challenge was available in batches and through an API, and contained millions of call data records, energy consumption records, tweets and weather data points. Recently, the dataset used for the contest was made open to the public via their website. This data was released under the Open Database License (ODbL) available in its raw form or through an API.