Are "Thank You for Unsubscribing to our Newsletter" emails necessary?

I am about to disable the “Send a Thank You for Unsubscribing to our Newsletter” message for some of our clients as I think it’s superfluous and unnecessary.
My suggestion was to have an Unsubscribe link that links to a “Th…
Icon Ideas for Logging Out but not Exiting a WinForms Application [closed]
![Icon Ideas for Logging Out but not Exiting a WinForms Application [closed]](https://uxsharelab.com/wp-content/themes/proxima/images/thumbnail-placeholder.gif)
Firstly, I am going to put text with the icons, so the user won’t be completely clueless and as confused as a whale hurtling through the air from a great height.
Our WinForms application’s user requirements has been added to…
Does this design have a good usability?

I asked this question on Stackoverflow and has been redirected here. Sorry about cross-posting.
I am writing a financial application and I need to write a specialized file open dialog for the user to be able to load stock da…
Does this design have a good usability?

I asked this question on Stackoverflow and has been redirected here. Sorry about cross-posting.
I am writing a financial application and I need to write a specialized file open dialog for the user to be able to load stock da…
How should I allow my members to delete their membership from my site?

What is the best way to allow a member to delete their account if they wish to not be a member of our community? Should I simply have them click a delete button on the site? What other measures should I use?
Constructing personas without user research

I’m in the position where I can not do proper user research for an upcoming project. I do have some information from the customer (their RFI and RFQ) but I don’t feel that is really enough.
How would you go about creating pe…
Preferred format to display negative currency (US English)?

Which would be the more readable way to format negative numbers:
-$99.99
($99.99)
Some other format I haven’t considered
Details:
Most of our user base has finance experience, but some have none at all. We don’t deal wit…
Is scrolling better than clicking to reveal more content?

Which is faster? Scrolling down or clicking a button to reveal more content? Currently, our site requires clicking of page numbers to reveal more content. We have 9 channels per page, which fits on one screen in most common r…