While not unexpected, the retirement of the PowerBook does mark the end of a brand with a long, storied history as a sturdy, reliable workhorse, which later -- after Steve Jobs' return to the company -- morphed into a sleek and stylish object of desire for visual and creative artists.

ENGADGET: RIP, PowerBook: 1991-2006

Each participant was told that he or she would compete against an unseen opponent in a 25-trial computer game in which the object was to be the first to respond to a visual cue on the computer screen.

FORBES: Study: More Violent Video Game Play Results in More Aggression

Contemporaries grumbled less about the visual impact of Wren's gigantic dome, than do modern protesters who object to the skyscraper on Canary Wharf in the Isle of Dogs, erected under the exceptionally loose planning regime of the Docklands Development Corporation.

ECONOMIST: Cityscapes