Available Sparklines

Pie chart displays a single percentage. I agree with Edward Tufte that pie charts are not very useful. Which would you rather see? This graphic Sparkline Graph or the number 42%?

Discrete marks a series of values Sparkline Graph. The length of the bars doesn't change.

Bar graph builds a simple bar graph Sparkline Graph. Note the bug in the last bar -- it doesn't go all the way to the origin.

Area graphs Sparkline Graph are possible too.

The smooth sparkline builds a word-sized line graph Sparkline Graph suitable for continuous data like medical records, stock charts, temperature data, etc.