Retweet is to forward a post or tweet that you are interested back to Twitter.
I noticed some of the blogs have the retweet button on their post that allowing the visitor retweet their interested posts. I wonder where they got those button. At the end, I realize it is WordPress retweet button from TweetMeme. I also download it and give it a try at my site. It looks nice. Like others, we like the retweet button placed before the content of our post. We uncheck the setting on displaying the button on pages. Remember to change to your twitter username as your source in TweetMeme setting.