A search that uses human guides didn't make much sense in a world of libraries with IM service, and when ChaCha debuted in 2006, the buzz died down quickly. Expect to see a revival now that they've started providing text message services. Still powered by human guides, the service will likely be a hit with folks unwilling to pay for Internet access on their phones. It's free for now, but the company plans to charge $5-10/mo. for the service in the future, which may effectively kill any interest from users without smart phones.