the feature article discusses web services such as chacha, and aardvark that "crowdsource", or deliver targeted answers to your questions by passing them on to a sea of strangers.
as is usually the case, it was a trill to find the issue on stands. this one was especially sweet, however, as i found the issue in the notre dame campus bookstore while on my annual football pilgrimage. cheer, cheer.
©2010 Scientific American