Wikipedia:Tip of the day/September 12, 2006
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To prevent readers from getting your posts on talk pages mixed up with those of other users, be sure to sign your messages! To sign your username, simply type four tildes (~~~~) at the end of your comments. When you save the page, these will be converted to your signature followed by a date stamp. To sign without a date stamp, use three tildes (~~~) instead. To type the signature code (~~~~) in faster, click on the signature icon 
in the toolbar at the top of the edit box, which will insert the code wherever the blinking cursor is.
The default signature for your account is your username, but you can customize it in your preferences menu.
Read more: Wikipedia:Sign your posts on talk pages
