...I find them tricky to interact with programatically, and no one ever looks at them anyway, but this morning, this quote from Chris Sells' Windows Forms Programming in C# really ticked me:
Pg 106: “According to legent, Microsoft did a usability study [of the status bar] awareing people $50 if they would look under their chair, putting the notification for this award in the status bar. The $50 went unclaimed during the testing.”