How influential are you on Twitter? Here's how to find out.

• I love Twitter and use it a lot. In fact, I'm considering selling tweets on my account and would like to gauge my clout and influence so I can price accordingly. Can you provide me with some tools or feedback on how I can best do this?

Answer: With over 150 million members on Twitter you are certainly correct in wanting to best leverage your account to this large group of users. In fact, as we recently covered in our Twitter Promoted Tweets article, selling tweets is going mainstream.

Unfortunately, most of you reading this probably can't afford the $10,000+ minimum monthly campaigns that the new Twitter Promoted Tweets program requires (right now open only to select BETA invited advertisers). That's why we...