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Upper left: Internet chat works for many, including Penny Patterson of the Gorilla Foundation and Koko. On Earth Day 1998, they used AOL Chat.
Upper right: Yahoo Shopping was--and is--meant to tap into the growing popularity of e-commerce.
Lower right: Yahoo does its part to help bring sports fans to the Web with features such as fantasy baseball leagues.
Lower left: Yahoo users helped raise millions of dollars for tsunami relief.
Credit: Yahoo, from its birthday retrospective