Data visualizations are everywhere and are more important than ever. From creating a visual representation of data points as part of an executive presentation, to showcasing progress, or visualizing concepts for customer segments, data visualizations are a critical and valuable tool in many different situations. When it comes to big data, weak tools with basic features do not cut it so specific techniques should be applied. This course will address different techniques for visualizing big data collections including a vision of the visualization process as a complex and greedy task and then as out of the box solution that can help to analyse and interpret big data collection.