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…
When to use icons vs. icons with text vs. just text links?

Are there any rules on when to use icons vs. icons with text vs. just text links in a web application?
For example:
vs.
save
vs.
save
Extra question: Is save -or- save preferable?
In a grid, how to display long column headers

When displaying data in a grid (each row contains a record, each column a different record field), vertical space need is easily solved with scrolling or paging.
We are usually sooner missing horizontal space as the number o…
Should every page in a site have a totally unique H1?

I agree that every page in a site should have a unique TITLE, and that every page should have one and only one H1 element, but should the text of each H1 be completely unique too?
Instinctively one would think so, but there …
Intuitive interface for Composing Boolean Logic?

I’m interested to know how people have, or would construct an interface which simplifies constructing logical boolean conditions? (Yes, it’s a database query builder) In my mind a bad interface has them typing lots of AND, NO…
What is a good way to display infinite nested comments?

Is there a way to do infinite nested comment threads in a way that doesn’t look horrible? I realize that one could simply restrict the levels of nesting, but perhaps there’s a better way of indicating some comments are replie…
Best Design/Order/Layout For Mailing Address Form

Is there any standards out there when it comes to a mailing address form?
I need to collect the following fields:
address line 1
address line 2
city
postal code (or zip)
province(or state)
country
The country and province…
What’s the best way to create screenshots with callouts to show features of a program?

I’m redesigning a website for a downloadable app. I’d like to create a Tour of the features which has screenshots pointing out how to use it.
What are the best tools for doing this?
For bonus points, how would I go about cr…
The notification tray at the top of Stack Exchange sites: what is it called? And are there other good examples of this?

I’m trying to clean up notifications for a client site and was wondering if the notification pattern that Stack Exchange employs has a name that I can use to search for more examples.