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Marissa Mayer resorts to hand gestures to explain complex concepts in terms inferior non-Googlers can understand at last January's DLD conference in Munich, Germany. The four photos in the series also provide an uncanny visual metaphor for Google's initially hot but eventually cooled interest in purchasing Digg. Can you come up with a better caption? Do so in the comments. The best one will become this post's new headline. Yesterday's winner: "Check out what they were giving away at the PerkettPR booth!" by auntanna. (Photo by Getty/Oliver Lang)