I see these types of post ("write popular service X in language/framework/tool Y over the weekend") rather frequently and I often wonder whether I'm just being a cranky old man or if the various US CS education programs aren't preparing these folks.

"By using Web 2.0 social bookmarking sites, libraries can more easily manage subject guides and other lists of Web resources. Social bookmarking services such as Delicious provide a one-click method to bookmark a Web site, allowing librarians to describe and categorize Web sites."

Effective use of YUI, JSON, XHR, etc.

YAY!

Sounds like an interesting script but the numerous memory errors sited in the comments aren't encouraging.

Oh Purple links, I hate you, I love you.

Makes me consider actually trying out Yahoo! for search, something I almost never do. Add Flickr data and we've got a party.

Kellan does it again!