zokuga writes: Data visualization pioneer Edward Tufte spoke at hacker-activist Aaron Swartz's public memorial. In his message, he described how he came to know Swartz at Stanford and how Tufte's own college hacking exploits had the potential to ruin his own life.
(1) Never draw what you can copy.
(2) Never copy what you can trace.
(3) Never trace what you can cut out and paste down.