Retweets is often overlooked as a measure of influence. When someone retweets you, it’s because they found what you said interesting enough to forward it to their followers. They’re endorsing you as an influential person. So, count the retweets, and you get a measure of influence. Although I try my hardest not to share everything Mashable says, you’ve got to hand it to them: they come up with some good stuff. And this page is pretty good. I’m not sure exactly how to use these findings yet, but they might come in handy some time, for me and for you!