Google Fusion Tables was 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 web service provided means for visualizing data with pie charts, bar charts, lineplots, scatterplots, timelines, network graphs, HTML-formatted card-layouts, and geographical maps. Data are exported in a comma-separated values file format. Visualizations could be embedded in other websites, and updated realtime as data in the table changed.