Because my definition of a "knowledgeable guide, who has experience or background a particular field" is "college students, retirees and stay-at-home parents" who get paid "$5 to $10 an hour" (but the bigger the customer satisfaction, the bigger the paycheck: "up to $20.")
It's called ChaCha Search. Basically, it's a search engine that utilizes real people to get search results. And the above quotes reflects the people who will hired by the company to create search results.
News articles about this: Rethinking Google's system Human-powered search premieres (source of the quotes, above); One day searchers may quit Googling and start ChaCha-ing (calls this a "librarian" system working on an Anway pay system: "These people are employed at home (or anywhere) by ChaCha in an Amway-like structure. Experts who recruit other experts get a slice of their recruits' earnings.") Humans ChaCha Into Search Dance.
Where shall the ranting begin? Given the people I see in the library every day who need my help, I do wonder how "knowledgeable" these guides will be. And then there's always the low money being paid, showing the lack of respect being given to search professionals; but of course, it's not professionals being trained to do this, right? < sarcasm font>It's not like you need a degree to do a good search.< /sarcasm font> And finally, hey you public libraries... here's a business filling a perceived need. What have you done, or not done, that people think they need to go to ChaCha instead of contacting the library?