Twitter started when a group of programmers set out to write a script that would allow them to send SMS messages to a select group of followers. Pretty soon this unique method of social networking became known as micro-blogging and Twitter took off, and take off it has. Today you’ll be hard pressed to find anyone who hasn’t at least heard of Twitter. It’s used by celebrities, politicians, authors, executives, sports stars, moms, dads, middle aged the elderly and yes Teens are using it en masse. The bottom line is that everyone’s using Twitter, but if you want to use it effectively, you need to learn how to use the 140 characters to your advantage.