Google TalkTM for BlackBerry® smartphones allows you to chat in virtual real time with your instant messaging IM contacts when and where you want to ? not just when you?re in front of your computer. It has many of the same features you already use with Google Talk on your desktop.
Features include:
-Fast and reliable messaging
-Your Friends presence updates e.g. Available or Offline , in virtual real-time
-The ability to customize your own status messages e.g. ?Back in 5 mins?, ?On the Phone?
-Emoticons to express yourself
-The ability to invite multiple users into one conversation
-The ability to personalize Google Talk with a buddy picture?use an image of yourself or display your favorite icon
-Communicate with other Google Talk users even while using other applications on your BlackBerry
-Set up custom notifications for new Google Talk messages.