I can't remember the last time I saw a bookmark that made me smile, but Yuriliku Design's GreenMarker reference tabs do the trick. Designer Koji Ikegami admits that the "bookmarks" are simply made from 3M's Post-It notes (apparently creased down the center of each blade for verisimilitude), but you've gotta give the guy an "A" for creativity. Comes in packs of 25.
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