Officially Twitter for BlackBerry v2.1

 RIM has at last officially released Twitter for BlackBerry v2.1, which brings multi-account support, BBM sharing, and more. The app has left beta and has hit App World. Twitter for BlackBerry 2.1 has the following features:

- Multi-Account Support – Have up to five accounts on your Twitter for BlackBerry smartphones app. Switch between accounts and cross-post Tweets and Retweets from one account to another without switching the current account view.
-Enhanced “Share with BBM™” functionality – Easily share Tweets with BBM Contacts and Groups.
-View multiple Twitter accounts in a single timeline – View a stream of Tweets from up to five Twitter accounts in the Social Feeds timeline, or opt to filter individual Twitter accounts.
-Post a Tweet to multiple Twitter Accounts – Publish a Tweet to one or more Twitter accounts simultaneously using Social Feeds.

Twitter for BlackBerry 2.1

Download Ota
http://www.blackberry.com/twitter

download on app world:
http://appworld.blackberry.com/webstore/content/8160?lang=en