iPhone/iPad: Do people use landscape mode?

I noticed that I nearly never use landscape mode except when I have to (apps with fixed orientation) or when watching videos. But of course I don’t want to consult customers based on my own behavior. So does anybody know if t…
iPhone/iPad: Do people use landscape mode?

I noticed that I nearly never use landscape mode except when I have to (apps with fixed orientation) or when watching videos. But of course I don’t want to consult customers based on my own behavior. So does anybody know if t…
Best practices for online help

we’re currently developing a fairly complex web portal. To improve the user experience, we want to provide a context-sensitive online help system that can aid the user in understanding certain aspects of the site.
In our case…
Usability testing for open-source projects?

I’m working (slowly) on an open-source project, and I was hoping to do some usability testing once it’s a bit further along. Also, hopefully the GIMP devs will notice this question ;-). I’m not sure how much can be done for $…
Scrollbar on the left

Is there a deep study that suggests to place a scrollbar on the right? Personally I move it to the left whenever possible (Firefox allow this, as well as xterm and emacs).
I know that placing a scrollbar on the left is consi…
Scrollbar on the left

Is there a deep study that suggests to place a scrollbar on the right? Personally I move it to the left whenever possible (Firefox allow this, as well as xterm and emacs).
I know that placing a scrollbar on the left is consi…
OK/Cancel on left/right?

Should OK button be on left of Cancel button or vice versa?
Are there any studies suggesting either of the solutions?
OK/Cancel on left/right?

Should OK button be on left of Cancel button or vice versa?
Are there any studies suggesting either of the solutions?