"Let's say you were tasked with creating a UI in which users can rate three candy bars from their most to least favorite. A grid of radio buttons isn't a terrible way to go about this."

Matt Wiebe's very useful bookmarklet for testing type now has support for custom Font Family lists, including web fonts.

"At its simplest, the BigText jQuery plugin takes a single element and sizes the text inside of its child DIVs to fit the width of the parent element."

"Backstretch is a simple jQuery plugin that allows you to add a dynamically-resized background image to any page. The image will stretch to fit the page, and will automatically resize as the window size changes."

Chris Coyier uses radial gradients and jQuery to produce a subtle highlight that follows a user's mouse.

For when you want to know if a visitor is idle.

"Web type is exploding all over the web but CSS currently doesn't offer complete down-to-the-letter control. So we created a jQuery plugin."