This document provides an overview of data visualization tools and techniques. It discusses the evolution of data visualization since 2005 using tools from Google like Google Maps and Fusion Tables. It also provides tips on collecting and formatting data, uploading it to tools like Google Drive, and using features such as heatmaps, cartography, and styling options to tell stories with data visualizations. The document emphasizes that while coding is helpful, it is not necessary to create visualizations using many modern online tools.