I posted about AdKeeper a while back, so I went to their site to check up on them. OK, mostly I was just checking to see if they were still open for business, which they appear to be.
But something on their redesigned site caught my eye: the home page orients newbies to the service. Like similar pages on other Web app sites, it’s a short, fixed-length page with just the minimum info. But at the bottom of the page is a grey bar with an up arrow on the right side (circled in yellow below):
Click that arrow and the grey bar slides up, revealing a scrollable ad gallery beneath it. Pretty elegant way to present simple, essential information while preserving the capability to show a browsable breadth of offerings, all on the same page:
What other sites feature this functionality? None come to mind at the moment.