Too bad library-based Q&A services like Question Point are not mentioned in the article.
Why is the sky blue? How do you bleach a stained shirt? Why does cheese smell?
The answers to these questions used to be sought in encyclopedias and other reference books. Now, we increasingly seek the answers to such questions online; the top two Web sites specializing in answers have each rapidly increased their audiences in the last year.
But online answers are often disappointing, particularly among the myriad Web sites that pop up at the top of a Google Inc. search.
These Web sites are the lowlifes of the Internet: Their business model is to make a quick buck by selling advertising and providing the cheapest kind of answers available — unvetted answers that are provided for free by users.
Source: WSJ
