ActBlue

• Nonprofit fundraising platform, founded in 2004
• 20k+ Democratic campaigns, progressive organizations, and nonprofits
• Almost $2B raised
• $36 average contribution size

• Provide context in titles and subtitles
• Remove redundant elements (e.g. axis titles, legends, etc.)
• Annotate critical points of data
• Use conventional abbreviations for labels
• Keep text horizontal
• Increase density of meaningful information

What D3.js offers

• Mix of low-level modules
• Provides flexibility to compose visualizations
• Everything is customizable and interchangeable
• Straightforward debugging
• If you know SVG, CSS, HTML, and some javascript: dive in!