>>The tooltip says "This message changes when you try to look at it, then vanishes. Have a nice day. Heisenberg out."
>
>I have tried using a technique where I pretend to not be interested and casually slide the mouse towards the icon, in the hope of suddenly catching a glimpse of the tooltip, but it always manages to catch me out at the last second. Ouija boards and chicken bones are fine for my investment portfolio but for this problem I need a more scientific approach :)

The one that always gets me is "this message is in Spanish when you're not looking" :)