Question: What is a Twitter Retweet?
Answer:
If you read a tweet in someone else's Twitter stream and like what that person says, you can retweet it (abbreviated as RT) and share it on your own Twitter stream. To do so, simply add RT and the original poster's Twitter username within your tweet (for example, "RT @susangunelius" would indicate you're retweeting, or republishing, something that I already published on my Twitter stream).
The retweet tag is an unofficial way to provide attribution to the original publisher.
