As organizations expand their digital infrastructures, the amount of data being collected is growing at an ever-increasing pace. This deluge presents a new set of challenges, and the most crucial of these — making sense of it all — depends on data visualization. Digital tools like Many Eyes and Tableau Software have empowered companies and the public to create visualizations using built-in templates, but they have also spurred a desire for more control over visual method, layout, style, and branding.