Wikipedia:Tip of the day/February 29
Don't let your messages get confused with those of other editors. When posting on a talk page, sign your messages by typing in four tildes (~~~~) at the end of the message. If you are faster with the mouse, try the autosig button at the top of the edit box - it will type these in for you wherever the blinking cursor is. The autosig button looks like this: . You could also sign without a date stamp by typing in three tildes (~~~) instead.
Bonus tip: you can customize your signature in your preferences menu.