<img alt="" />Two startups, <a href="http://www.chacha.com">ChaCha</a> and <a href="http://www.themechanicalzoo.com/">Mechanical Zoo</a>, are taking different approaches to tap human intelligence, and
<img alt="" />It's a wonder to me how San Francisco based <a href="http://www.themechanicalzoo.com/">Mechanical Zoo</a>, a startup founded by <a href="http://www.crunchbase.com/person/max-ventilla">Ma