Everyone is the world’s foremost expert on something. This one fact is the cornerstone of much of the internet. How else do you explain elaborate web pages devoted to everything from shoelace tying to Slurpees? If you’re reading this, though, chances are your expertise falls in the realm of some sort of obscure videogame that only earns you derision when you bring it up in polite company. Not to worry; the internet is there to indulge your obsession and let you actively share it with the world.

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