Sparklines - simple and intense

This will surely enhance your reports and presentations. Sparklines was invented by Dr Edward Tufte. I have tried using it,( some sites are there from which you can download a xls file) and it makes the report , ppts a notch better.
you can read more about sparklines here
http://www.edwardtufte.com/bboard/q-and-a-fetch-msg?msg_id=0001OR&topic_id=1&topic=