"If someone asked me if I would dedicate a day a week to Wikipedia I would expect to be paid," she said. "People have invested a lot in becoming an expert and they are trying to earn a living and you can't expect experts to contribute without pay.
I totally disagree with the highlighted quote. I think this is old school thinking--that knowledge should be "purchased" Sometimes it is true, but more and more often, it isn't.
Childhood's End: Accountability Forces Children to Grow Up Too Fast
Something is lost when little red wagons and mud pies make way for worksheets and tests.
Most notably, perhaps, is the emergence of dozens of "green" Web sites, many from tech industry veterans, that aim to put like-minded people on the same page. These social-networking efforts enable users to assess products personally, offering a balance to green labels and ad campaigns.
Online “Predators” and Their Victims: Myths, Realities, and Implications for Prevention and Treatment (PDF; 441 KB)
Source: American Psychologist
From press release (University of New Hampshire, Crimes against Children Research Center)