Came across this gem today.
There is a page. With one of these blue “help” icons. Hovering your mouse over the circle shows the following message.
Sorry, but this is a shining example of why you need to care about web usability – and why you require people with some knowledge to actually design your interface.
I would have to say that this one sits smack on the bottom of the User Experience Measurement Hierarchy, and does not even reach stage one. Minus one even.