Idiot w/ PhD Usability Study

This guy worked at IBM and Netscape, and has a Ph.D in Cognitive Psychology. Yet he spends his time finding things to be anal about and nitpick over. He offers suggestions for clearing up confusing items and situations. Here are just a few of the many gems on the site:

“For a long time I caught myself mistaking the tachometer for the speedometer.”

“A lot of manufacturers package both shampoo and conditioner in nearly identical bottles. You ought to be able to easily distinguish between them in the shower without your glasses on.”

“This is a nice attractive knife. Just one problem. Which side do you use for cutting? Although you can tell which end is the handle and which end is the blade, it isnt clear which side of the blade cuts.”