I love this use of e-ink to play a film at 24 frames per day instead of 24 frames per minute.
A fun little multiplayer game, all possible in the browser thanks to web sockets.
A nice-looking jQuery plugin for HTML5's audio element, with fallback to a Flash player. I might just end up using this on Huffduffer.
An experimental prototype that tracks the online buzz around BBC programmes (before they disappear down the memory hole of the iPlayer's time-restricted playback).
An even more speculative version of The Long Bet. Given a supposition (e.g. "What will the world be like when custom satellites are as easy to design and launch as your own website is today?"), you can add to a list of positive and negative outcomes.
A PMOG mission where players learn about the password anti-pattern.
Judging from the research information collected on Delicious, Flickr and Last.fm, this book proposalâ€”tying together informatics, music and gamesâ€”could blossom into a great read.