Google Fusion Tables (or simply Fusion Tables) is a web service provided by Google for data management. Fusion tables can be used for gathering, visualising and sharing data tables. Data are stored in multiple tables that Internet users can view and download. The website launched in June 2009, announced by Alon Halevy and Rebecca Shapley.The web service provides means for visualizing data with pie charts, bar charts, lineplots, scatterplots, timelines, and geographical maps.