Patrick Rhone on what makes a great app. I agree one-hundred-percent.

And what’s interesting is that if you take out any one of those three elements, you can lose the whole thing. Photoshop is a great example of an app which is very ingenious and took a lot of gumption, but it is far from simple. And for a lot of us, it’s one of those apps we use because we have to. Two out of three doesn’t cut it.

Simplicity, Ingenuity, and Gumption