Normal Modes Home > Blog  >  Archive by tag 'principle of least astonishment'

Archive for June, 2010

User Expectations and POLA.

The other day I was grabbing a salad and some spring rolls for lunch at an upscale grocery store in Houston. I used my debit card to pay, which is an almost daily exercise for most of us. Entering my PIN and clicking through the screens is such an ingrained… read more