When you have a Twitter account, you can use the service to post and receive messages to a network of contacts, as opposed to send bulk email messages.
You can build your network of contacts, and invite others to receive your Tweets, and can follow other members' posts.
In fact, many of us today use Twitter and Facebook to promote our existing and upcoming businesses.
And people looking to connect with other business-associated contacts usually move to sites like Linked In, but one need to understand that social media is beyond Twitter, Facebook, Linked In and Blogs.
More » Are you a teen looking for free private chat rooms for you and your friends?