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Most of my contributions have been focused on ice hockey—in particular, goaltenders and the history of the game. Nowadays, I have branched out into a variety of other topics. Several articles that I have contributed to have been featured in the Did You Know? section, or listed as a Good article, Featured article, or Featured list. I used to maintain a list (now at User:Maxim/Articles), but I have the feeling it is not entirely accurate anymore. I also deleted the Misplaced Pages front page back in 2008, good times.
Other things of note:
/Sandbox: Large page, inadvisable to load. Contains an old modified bot-generated list of hockey articles. I use the related changes as a hockey watchlist.
/Sandbox2: Presently contains list of possible articles to create.
Filter 391: I wrote this filter to log and tag when the height or weight of a living person is changed in an infobox field by a new or unregistered user. Many of these edits are in fact sneaky vandalism, and the result of this filter may be patrolled through recent changes.
If you have any questions or concerns, please contact me.