New email apps keep coming out, trying to organize your inbox. Folders in email were invented nearly fifty years ago, and since then we’ve had filters

Reversibility is a property of an interface input control, where the user can return the control to its initial state at any time

Duolingo used to be a great app. I opened in to practice almost every day. But then they changed the design

It’s bad practice to greet app users with onboarding screens

In ATP Episode 439 Marco Arment had a good speech on UI stability, I even took time to write it down

Apple came up with this interface behavior that would seem strange before

Mobile Safari has a feature that automatically closes tabs. It reveals the ill-conceived nature of the interface as a whole

In user interfaces, a spinner is a normal indicator of thinking or loading. However, the modern web is often build from blocks that could be loading independently

If you start dragging a window’s border, the window will start to resize horizontally or vertically in that direction

Recently, I wrote about Facebook’s crappy handling of long posts: it’s trims the text randomly and loses your reading position when expanded