Yes, You Should Use a Mug to Make Perfectly Round Cookies
by Sarah Showfety from Lifehacker on (#5VDCG)

Every once in a while, a hack comes along that fills you with a mix of awe and judgment for being so basic, so obvious, that you can't believe you didn't think of it yourself. But while you mutter duh" under your breath, you must reluctantly admit, it was news to you.