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Sure, you could undermine that colleague you despise by spreading lies about them around the company. If you're the more direct type, though, you can now buy a pen that doubles as "tactical defense implement." It was originally designed for "Marines hunting terrorists in burning deserts," reports the company. But there's no reason why it wouldn't work just as well at Condé Nast or Goldman Sachs! [Tuffwriter via BoingBoing]