Scanner Tracks Who's Changing What on Wikipedia

Are Walmart and other companies employees editing Wikipedia so the general public sees them in a better light? And did someone at Dow Chemical Co. eliminate negative passages about environmental disasters involving the company? Virgil Griffith, a graduate student at the California Institute of Technology, who developed the Wikipedia Scanner seems to think so and he's got proof. A tool use to track and organize IP addresses from the edits on Wikipedia's entires are seeing some interesting things. Virgil states if you follow the IP address trail, you'll see that often the editors of an entry are "interested parties."

NPR reports, along with Wired magazines Senior Editor Nicholas Thompson.

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