User Facing State

Scott O'Hara, CSS-Tricks, May 30, 2017
Commentary by Stephen Downes

I've been thinking a lot lately of non-linear languages. The idea has been around for a while. You might recall the concept from the movie Arrival. Fast-forward now to this article describing what the author calls 'user facing state' " talking about how to let our users know about state (think: whether a button is disabled or not, or if a panel is active or not)." In a certain non-trivial sense a web page (or any other visual representation) is a non-linear language. And thought of as such, the concept of reading and writing in a non-linear language isn't so far away from our everyday experience as one might thing. Now, let me talk to you about reading a city...
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