From New Scientist:Wikipedia has rapidly become one of the most used reference sources in the world, but a new study shows that the website's explosive growth is tailing off and also suggests the community-created encyclopaedia has become less welcoming to new contributors.
Ed Chi and colleagues at the Palo Alto Research Center in California warn that the changes could compromise the encyclopaedia's quality in the long term.
"It's easy to say that Wikipedia will always be here," says Chi, a computer scientist. "This research shows that is not a given."
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