Some of these are really good, clever and interesting. The what makes good info design by David Mccandless at informationisbeautiful.net controversial venn diagram usage which as I mentioned is good for a beginner. 

What Makes Good Information Design v 1.0

  I posted some curiousities here: http://visualthinkmap.ning.com/forum/topics/what-makes-an-information  or you can read more at my paper http://visualisationmagazine.com/blogvisualthinkmap/2009/11/how-do-visualisations-enhnce-the-communication-of-data.html    some great humorous visual of people entering an Sphincter which makes me think of Patch Adams with Robin Williams howdi gynos and people depicting fleas on a picture of a dog.  

guerrilla_marketing

  reminds me off,    

frontline

  These are two good datavis examples I have seen.   

The Rise Of China

 

uk met global warming map

  Found thesis.armina.info/ , usually finds great examples of data vis. this was a contents page to student magaine of their work.   

komma5_06

  banksy, think it was http://blogof.francescomugnai.com/ great collection. I liked this subtle humour.   

banksy_genius

  Again humour, think it was Claude Aschenbrenner at serialmapper.com, flow chart to define your career title.  

can you draw

  this did the blog rounds, info aesthetics, cool infographics, flowing data I think. it reminded me of Minards carte figuartive, Tuftes best statistical graphic ever.   

In the LotR map, up and down correspond LOOSELY to northwest and southeast respectively.

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Related posts:

1. Evolution of Life Visual
2. Visualisation Magazine
3. Internet Undersea Map
4. How do visualisations enhance the communication of data?
5. Map of Carnaby Street