Tonight, Leo is going to test it on the perfect victim: an IBM ThinkPad T43. 2GB RAM. Intel 915GM graphics. A machine that has no business running anything "glass."

A new message appears on the glass desktop:

Because by then, the ISO had copied itself to the recycling depot’s server. And the server had started talking to the cash registers. And the cash registers had started humming a tune Leo vaguely recognized as the old Mac startup sound, played on a thousand tiny, dying speakers.

Leo leans back. Outside his garage, dawn is breaking. The T43’s screen casts soft, blurred light onto his face—shadows moving in two different directions at once.

He checks System Properties. It says: . But below, in a smaller, impossible font: Glass Compositor Engine v11 – OSX86 Project – Build 0xCAFE .