A larger than life game of Tetris appeared on the Green Building at MIT in MIT engineers used a console to allow players to move, rotate, and drop colored blocks. Tetris on the Green is the Holy Grail of MIT hacks.
This toaster by Sasha Tseng incorporates a little message board where one can read quick notes. The message also gets “toasted” into the toast itself so it gives new meaning to “read while you eat”. Via Yanko Design