Ever wondered where the deepest part of the ocean is? Just ask ChaCha. Ever pondered the difference between an ostrich and an emu? Again, just ask ChaCha. ChaCha is a relatively mind-boggling service that allows you to phone in or text a question--any question--and have a live person call you back with the answer within minutes. Best of all, the service is completely free and available 24/7. Questions range from the practical (checking the weather forecast, movie times or sports scores) to the inane (checking the exact measurement of the world’s longest set of fingernails). At http://www.chacha.com, a demo video…
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