Wikipedia

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Wikipedia is a Web-based, freely editable encyclopedia by the non-profit Wikimedia Foundation.

[edit] Sourced

[H]owever closely a Wikipedia article may at some point in its life attain to reliability, it is forever open to the uninformed or semiliterate meddler.
- Critique given by former Encyclopædia Britannica editor Robert McHenry in a frequently cited 2004 piece The Faith-Based Encyclopedia

Wikipedia's promise is nothing less than the liberation of human knowledge - both by incorporating all of it through the collaborative process, and by freely sharing it with everybody who has access to the internet. This is a radically popular idea.
- The Economist, 20 April 2006

Shoppin' online for deals on some writable media.
I edit Wikipedia.
- "Weird Al" Yankovic, "White & Nerdy", Straight Outta Lynwood (2006)

When I visited the offices [in St. Petersburg, Florida] in March, the walls were bare, the furniture battered. With the addition of a dead plant, the suite could pass for a graduate-student lounge.
- Stacy Schiff, 2006-07-31, Can Wikipedia conquer expertise?, The New Yorker

Wikipedia is the best thing ever. Anyone in the world can write anything they want about any subject, so you know you are getting the best possible information.
- Michael Scott (played by Steve Carell), The Office, "The Negotiation" [3.18], 5 April 2007

You just can't put something with commercial motive into Wikipedia. Admitting it is hardly better; it is still a crime. The Wikipedians and bloggers will attack hard and they will deserve what they get.
- On an attempt to promote a marketing slogan by creating a Wikipedia article for it
- Jeff Jarvis (June 23, 2007). "Buying their voices". BuzzMachine. HostingMatters. Retrieved on 2007-06-29.

You set up this fantastic site, with people sending information all around the world, and you don't make any money of it! It's practically an un-American activity!
- Clive Anderson, 2007-07-24, The Wikipedia Story, BBC Radio 4

The problem about Wikipedia is, that it just works in reality, not in theory.
- Stephen Colbert

The real problem is not Wikipedia, but reporters who fail to check their facts.
- Joseph Wilson

The big secret of course is that Wikipedia is not really about an encyclopedia, it's just a big game of nomic.
- Jimbo Wales

We don't know how many unique users visit the site because we're lame and don't keep track of it - we don't sell advertising, so we don't have to.
- Jimbo Wales

Wikipedia functions much like an iceberg: for every page of supposedly factual information one sees peeking out, hidden below are countless thousands of pages on debate, argument, and vandalism.
- Uncyclopedia