Architects Jun Inokuma and Yuri Naruse took the Post-It note idea and made it better. They take wood waste from houses and turn that into paper which then is formed into a stack of Post-It-like sticky notes shaped like little houses. (They’re called IE-TAGs as “ie” is Japanese for “house.”) Smart and beautiful on every level. Hat tip!
More over at Core77.
Update: Looks like Spoon Tagamo deserves credit for finding this first.