2
votes
2answers
181 views

Do users need 3 ways to change sound volume on their computer?

Virtually every video/audio software has volume controls. Why is software control needed if there exist two other controls: operating system and hardware volume controls? Is it better to remove ...
113
votes
14answers
8k views

Who needs an external on/off Wi-Fi button?

It puzzles me that there are Laptops which are shipped with external physical Wi-Fi buttons. I see no real use of it, but it might have a historical explanation?! The only time one notice the external ...
12
votes
9answers
870 views

How do you show a locked slider?

I have an application with a slider, but I need to be able to lock the slider, and have it clear to the user that it is locked - simply disabling it is not an option. By locked I mean that you are ...