David Erickson, director of e-strategy for Tunheim Partners, explains how to use a the Twitter tool Tweet Reach (www.tweetreach.com) to gauge the influence of your tweets. Twitter users can use Tweet Reach to count the number of people who may have been seen your tweet:

• Go to www.tweetreach.com
• Copy and paste text from a tweet into Tweet Reach
• Tweet Reach searches Twitter to count how many users could have seen your tweet
• Tweet Reach counts your followers and the followers of your followers to find a number measuring the influence or a tweet