Diesel Sweeties http://www.dieselsweeties.com/ A webcomic with a large cast of pixelated characters making jokes about everything from technology to indie music.
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Gronk http://www.gronkcomic.com A story based comic in which a cute monster must learn to live in civilization as the pet of a musician named Dale. Hijinks ensue.
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Sexy Sweaters http://sexy-sweaters.tumblr.com/ A Tumblr featuring images of funny, odd, and interesting sweaters.
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Poorly Drawn Lines http://poorlydrawnlines.com/ A popular webcomic that features odd and witty gags.
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Sinfest http://www.sinfest.net/ A webcomic that follows multiple characters as they satirize life, death, religion, and more.
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Metafilter Projects http://projects.metafilter.com/ Users from the Metafilter community upload information about projects they have created (artistic, technical, and more) for critique and comments.
Combines the "news" and "news in brief" sections of the popular satirical paper "The Onion".
10
Wikipedia Core Topics http://en.wikipedia.org/wiki/Wikipedia:1,000_core_topics A collection of the approximately 1000 "most important" articles on Wikipedia