Charlie Park says the sparkline's lesser-known sibling, the slopegraph, is about to get its day in the sun. I'm already thinking about interesting ways to use these in ThinkUp.
Gina, thanks for this – it solves a problem that I needed to solve this weekend for a new information dashboard!
"You must write, and read, as if your life depended on it." —Adrienne Rich (1929-2012)