Big data is a general and evolving term referencing the huge amount of structure and unstructured data which has the potential to be mined for information and insight. This can come from a myriad range of sources, from financial data to data picked up from the Internet of Things sensors. Through technology such as predictive analytics, businesses can potentially draw great value. Big data challenges include the capturing of the data, proper storage, analysis and organisation, visualisation, and sharing. Using big data technology, businesses can face these challenges and use tools to create more informed decisions.