Indeed.
A half-Swede, half-Brit.
Wikipedia
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A lot of people seem to be 'hooked' on wikipedia in different ways.
A friend of mine, User:Uchman, tends to read mostly about mathematics and physics.
I personally have a tendency to read anything that comes to mind when I am bored, then expand reading by reading most sublinks within a given page. This tends to easily get out of hand, but I learn a lot about everything.
Contributions
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I tend to mostly perform grammatical corrections on otherwise excellent articles.
My work on pages are not worth mentioning. I also try to find and correct/remove pages exposed to vandalism. Perhaps excessively.
Articles
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Although I read almost everything as previously mentioned, I probably read mostly about history, programming and people.