How can I design better charts, graphs and information displays?

One place to start in designing better charts and graphs is with the work of Edward Tufte.

• http://kb.ucla.edu/articles/who-is-edward-tufte-and-why-should-i-careWho is Edward Tufte and why should I care?
• Review: 5 Tools for Creating Amazing Online Charts – Oct. 8, 2014

If you have any other suggestions, please add them. Thanks