Patterns of Human Error - my presentation at the DC ACM

[Caligo]

Have you ever placed a 9-volt battery on your tongue?  It's not very
pleasant, specially when someone asks you to do it and you don't know
what's coming.

On a serious note, the topic reminds me of an interesting book that I
read; The Design of Everyday Things by Donald Norman, "is one of the
classics of human interface design. Norman shows how badly something
as simple as a kitchen stove can be designed, and everyone should read
it who will design a dialog box, write an error message, or design
just about anything else humans are supposed to use." --Qt Docs