This principle seems obvious, but there are too many interfaces that violate it. Thus, a blog post

Say you have an interface with a column of checkboxes

A couple of weeks ago Hawaii residents got a shocking alert on their phones

There is an accessibility setting on the iPhone called “Reachability”. When you enable it, you can double tap the Home button or swipe down the Home indicator on the iPhone X to make the screen content

Here is my talk from FDConf, Minsk about feedback in the user interface

All screenshots for this post were made by Rakhim Davletkaliev

Someone has tweeted this and got several retweets

All screenshots for this post were made by Rakhim Davletkaliev

These are words that usually signal problems with the user interface

A slider is a simple user interface control where you adjust some value by dragging a handle in a groove