Blackberry users can stay in touch with their online friends 24×7 with the news with Research in Motion (RIM) has launched Facebook for BlackBerry Smartphones. 

The new application enables fast, streamlined and optimised mobile access to the Facebook social utility using a BlackBerry smartphone. The application leverages the push-based BlackBerry system architecture and Facebook Platform to optimise the mobile experience.
The Facebook application was unveiled yesterday by Mike Lazaridis, founder and co-CEO of Research In Motion, and join Dustin Moskovitz, co-founder of Facebook, at the CTIA Wireless IT & Entertainment show in San Francisco.
With the Facebook for BlackBerry Smartphones application, Facebook users can wirelessly send and view messages, photos, pokes and Wall posts. The rich, native application goes beyond browser-based access, automatically pushing notifications to the user’s BlackBerry smartphone as friends and colleagues send notes, Wall posts or pokes.
The application allows users to take a photo, upload it to the site with captions and tags; quickly and easily invite friends; manage events; manage photo albums; and manage their status while on the go.
“Facebook is one of the fastest growing web destinations among BlackBerry smartphone users and it has become an important element in the evolving fabric of personal communications,” says Lazaridis. “Facebook and RIM share a vision for enhanced mobile communications and social networking based on open, standards-based platforms and this has allowed us to produce a rich mobile application for Facebook users that leverages the push-based architecture, multimedia features and industry-leading usability of the BlackBerry solution.”
 Facebook for BlackBerry Smartphones, which will be available as a free download, makes it faster, easier and more convenient for users to stay wirelessly connected with their Facebook friends and colleagues. The application allows users to:
* Receive notifications and messages automatically – Leveraging the BlackBerry platform's push-based architecture, notifications and messages are automatically sent to the user; the user can also set a unique alert (vibration and/or ringtone) for Facebook related content;
* Quickly access essential features – Convenient onscreen icons let users quickly change their Status, upload a photo, add a friend, poke someone, write on a Wall, or send a message. Users can also quickly scroll through messages and notifications as they do with email messages;
* Invite friends to join Facebook and accept new friend requests;
* Quickly snap and post pictures along with a caption and tags – The photo upload feature is also integrated with the BlackBerry smartphone camera and photo management applications on the smartphone;
* View the Status of friends; and
* Read, compose and reply to messages even while offline – If the user is out of wireless coverage, messages are queued until the user returns to an area of coverage.