This cracked me up. There are two possibilities: either this is really is very funny or I am very nerdy.
A nice explanation of the ruby element in HTML5: very handy for marking up phonetic pronunciation.
Some Ruby on Rails code for enhancing sign-up forms using Google's Social Graph API, inspired by Huffduffer.
A PDF of Dan's slides from RailsConf. Looks like it was an excellent presentation.
From Dan Cederholm and Dan Benjamin: a lovely looking piece of social software all about wine. I've been trying it in pre-release and it's really, really nice. This is my kind of website.
Your geekiness quotient is directly proportional to how funny you find the title of this picture.
Download the PDF of the slides and play around with the demo from Tim Lucas' recent presentation.