A LESSON IN INTERFACE DESIGN.

A Windows user recently updated Adobe Flash Player. Adobe attempted to install foistware on his system, as even the most legitimate software sources in the Windows world always do, which raised the blood pressure of our correspondent to dangerous levels. At the end of the installation process, the program presented this message, which our correspondent preserved in this screenshot:

You may need to rest

Yes, indeed, a rest sounded like a very good idea. But hovering the cursor over the message—something almost no one would think of doing—revealed that this was not in fact the whole message. The rest of the message appeared in a tooltip: “You may need to restart your browser.”