First, watch this video: How to use Twitter
To make twitter work for you, you have to understand that it works best as a communications medium, not a broadcast medium. You need to find a network of people who are in to the same things as you, and then converse with them about those things. If people who works in the same field as you are using twitter, you need to be there!
Someone once said: on facebook you lie to your friends, on twitter you tell the truth to strangers…
These third-party tools will help you organize your Twitter feed:
These applications will help you manage your tweets:
These tools will help you get the most out of your Twitter account: