Wikipedia:Tip of the day/October 26, 2012
It is proper "Wikiquette" (WI-kee-ket) to sign your messages on talk pages. This prevents readers from confusing your posts with those by other users. To sign a message, move the cursor to the end of the message, and then with your mouse click on the sig icon ( or ) in the toolbar at the top of the edit box. This inserts the signature code (~~~~) where the cursor is. You can also type this code in manually instead. When you save the page, the code you inserted will be converted to your signature followed by a date stamp. To sign without a date stamp, use three tildes (~~~) instead. To sign only the date stamp, use five tildes (~~~~~).
Read more: Wikipedia:Sign your posts on talk pages