What is 4chan I am confused

this is the 4chan symbol I think
Beaverton, Oregon
May 18, 2013 1:13pm CST
What is 4chan I am confused. I don't get it there is like some stuff about not talking about it and that it is evil and crap will someone explain it to me.I dont want to start using it until I get what it does.
1 response
Taurus Fleming
@zee1108 (1)
• Hattiesburg, Mississippi
18 May 13
4chan is an English-language imageboard website. Users generally post anonymously, with the most recent posts appearing above the rest. 4chan is split into various boards with their own specific content and guidelines. Registration is not required, nor is it possible (except for staff.) -Wikipedia
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