A short post-mortem for the fairly low-key "Iris" ARG campaign to promote the upcoming Microsoft's Halo 3 title. The release of Halo 2 in 2004 was pushed by the widely popular "I Love Bees ARG" (via ARG Net, via Clickable Culture).
An interesting piece of technological innovation: "The campaign's third episode featured a cell phone ring tone that unlocked a 3-D animation on Halo3.com when played into a microphone-equipped PC."
