Here is a great example of what happens when you ask a designer to draw something cool to show statistics:
(sorry for the poor image quality here: I don't have a real image cropping tool on this computer)
Note the market share for Creative Labs as written and as represented. If the error isn't also somewhere else, it's supposed to be 3%. When you have somebody manually creating and typing numbers, you get typos. I'm not saying that you shouldn't ever have a designer do graphics for you. What I'm trying to say is that for such a simple representation, probably it shows that our graphics building software options are a little on the weak side.
Source: The Trouble with Zunes from Fortune Magazine.