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So You Think the User Interface Does Not Matter

Due to circumstances I will not go into here (except to say that none of them were any fun), I had the opportunity to drive several different vehicles than my normal transportation. I was on my way home and it started to rain, Now how do you turn on the wipers? Is it that dial or on that stick thing? No, that's the rear wiper. Oops, that's the sun roof, not what I wanted on a rainy day. I finally got that thing working.

Now it is getting dark - how do I turn on the lights? It's dark outside and now it's dark inside and I can't even see where a switch might be. But I know if I open the door a light will go on inside - better pull over first before opening that door. Fortunately, the turn signal is one of those things that is consistent for every car (it's the stick on the left side of the steering wheel - you push it down to tell people you are turning left and push it up to tell people you are turning right. I say that because evidence suggests not many people know this.) And you know the other thing that is consistent between cars? The ever intuitive push-and-hold to set your pre-sets on the radio.

The point, is, if your controls are consistent between your applications, it is easier for your users when switching from one to another. And it doesn't really matter that the icon for save is a floppy disk (at least it is a 3.5 inch disc, not a 5 1/4 one!) - people just know what it means. And don't worry - the terminology will eventually catch up (who knows what a Return key did?).

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Comments

1 - John,
I think you need to be applauded for keeping this blog so short!
You are exactly right in what you say.

For me the 3 most annoying UIs are:

3) The 'close window' icon on Windows is on the top right and on the top left on a Mac. Grrrr! I'm sure that was deliberate!

2) Gas (petrol) caps on cars!!! Why are they not all on the same side?

1) TV remotes - why do I need 5!?! and why are the 'Universal' controlers anything but!!!!

2 - Return (or Carriage Return) was for old mechanical typewriters that when the Return key was pressed would bring the impact point to the 1st column on the left hand side of the paper, it also scrolled the paper up 1 line (a line feed) so that the person could continue typing on a fresh new line. Which is why ASCII characters 10 (Line Feed) and 13 (Carriage Return) exist to simulate this out-dated concept. You'll find it at the end of every line on Text files, if you looked at it in Binary format.

3 - John, This is really a very good post in reiterating the importance of UI. And the examples you gave to compare are absolutely apt.

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