Tweet, Tweet: A Crash Course in Twitter for Nonprofits

Putting RT (signifying "retweet") at the beginning is meant to encourage your followers to continue the good karma and retweet the post to their followers. Good, valuable content gets retweeted the most, Haydon added.

Con: "Can create a karmic drain if you do this a lot," he said. "Asking someone to repost something to their followers is asking them a big favor."