Mirror

You may be looking for Mirroring Wikimedia project XML dumps or Live mirrors.

Welcome to the mirror. Use the blackness of your computer screen to see a reflection of you sitting front of it. Now look at your mirror image and realize there's a living being on the other side, too.
When communicating with other Wikimedians, please picture yourself in a public room filled with people. Thanks.

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Original version by Spacebirdy. Success may vary with type of your computer screen.

Further reading: Incivility, Wikipedia:Civility.