Mashable - When ChaCha launched in 2008, most of us were introduced to it through a friend. We added its number to our flip phones and sent our questions off via text message, gleefully showing our friends how quickly we received responses. It was like Google, only mobile. Now Google is mobile, and an estimated 35% of Americans have smartphones. But instead of becoming obsolete, ChaCha has shifted its focus toward mobile apps, Q&A as a form of content and a social redesign that could challenge crowdsourced Q&A sites such as Quora and Yahoo Answers.
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