Twitter™ is an online social networking service that allows its users to communicate using messages of 140 characters or less. With millions of users, Twitter is one of the most popular social networking sites in the world and you'll be able to find and connect like-minded users with the same interests. In this series of online training tutorials, we'll cover how to use Twitter from tweeting and finding other users with common interests, to gaining more followers and keeping your tweets short. There’s a twitter universe of users who can provide information and insight into topics you are passionate about. View these tutorials, start a Twitter account, share, and learn.