Twitter is everywhere, as I write this blog entry Ashton Kutcher (@aplusk) is approaching 2 million followers. @TheEllenShow has moved into 2nd place with 1.6mil and @cnnbrk is in 3rd with 1.5mil followers. According to TweetRush, about 8-9 million Tweets are sent each day. When I explain Twitter to my family and friends, the question always leads to: “How does Twitter make money?” Currently Twitter is working on managing the user experience, keeping the site up and running and learning how people and companies are using Twitter as it evolves before they announce their revenue model.  I must admit, each week...