Twitter, although it only asks its users to post short messages of 140 characters or less, remains elusive to a lot of businesses with a social media presence. However, the website passed 500 million users last June, so the land of direct messages and retweets will become harder to ignore.
By analyzing some basic statistics about your Twitter account and its followers, you can get a better grasp of who to follow and what to post on this site. Twitter doesn’t have analytics as accessible as the analytics for a Facebook page. Luckily, there are a bunch of sites that will give you the numbers you need (for free, a lot of the time): Twitonomy, Twitter Counter, Twentyfeet, etc.