For those who are interested in making third-party applications for twitter. Here comes a good news!. A unique protocol called "OAuth authentication protocol" (which is now available in public beta) can be used by developers to develop third-party applications for Twitter that can access users account information without requiring them to log in.
With the use of this unique protocol users no long require to give their login details to third-party apps to use them which means that your login and password informations are less likely to be misused.
Twitter attracted more than 7m unique US users last month, representing year-on-year growth of 1,382%.