Linked by Thom Holwerda on Sat 10th Oct 2009 19:14 UTC
Way back, when we were recovering from our hangovers from the millennium parties, Apple introduced, for the first time, Mac OS X and the Aqua user interface. This was still a preview, so it wasn't quite as polished and finished, of course. It also contained a feature that never made it into the final releases: single-window mode. Or did it...?