If you have been using Twitter you may have noticed that sometimes posts are preceeded with “RT” for retweet. What is that exactly?

Retweets are a way of passing on information that you have come across that you think others might enjoy reading. You can share something with your entire Twitter network by retweeting it–just copy, paste and put RT along with the person’s info before you post. If you want all the details, check out this link for a “how to” from Mashable.