Data is at the heart of business, from hard financial figures to the statistics used to craft marketing campaigns. However, making these numbers presentable and understandable is a challenge, one which Tableau Public is designed to tackle. This free software allows you to import data with a simple drag and drop interface, then easily turn it into a visualisation in moments. Tableau Public can produce anything from a humble bar chart to a map with geographical data. Visualisations can also be shared and analysed.