“whenever you “lower the bar” by even a small amount, making your program, say, 10% easier to use, you dramatically increase the number of people who can use it, say, by 50%.” – Joel Spolsky
I’ve seen this happen time and time again. It flat out explains the entire touch-centric UI shift that we’ve just undergone.
“One good way to evaluate the usability of a program or dialog you’ve never seen before is to act a little stupid.” – Joel Spolsky
People HATE me when I do this. Haters gonna hate.
“If the UI can’t withstand your acting generally immature and stupid, it could use some work.” – Joel Spolsky