There are programs where after saving an edited document you no longer have an Undo option. Ableton Live, for example, is guilty of this

It is 2015, and computers still suck. Here, Photoshop suggests saving a file as Untitled-1.psd

The inventors of classical autocomplete cleverly used text selection to denote the suggested word remainder

True

When you cancel a Time Machine backup, it takes some time to stop

One of the objectives of the design of Ångström was getting the result as fast as possible. But we’ve confronted a problem with currencies

A website menu item has three possible states

Immediate feedback is one of the core principles of good user interface design. But what if the data is unavailable for the feedback?

People often draw lines to separate things. They should, instead, move the things apart

Guy English in Debug 37 on the term “user experience”