This is a simple walkthrough of how to install Prism in Ubuntu Hardy Heron. As usual I take no responsibility for anything that happens.

First you open the terminal.
Second you type in this command to install Prism: sudo apt-get install prism

Now as seen on Tombuntu.com you can get your gtalk running under Prism:

“…are available at the moment, you can apt-get install or use your package manager to install any of these:

• prism-facebook
• prism-google-analytics
• prism-google-calendar
• prism-google-docs
• prism-google-groups
• prism-google-mail
• prism-google-reader
• prism-google-talk
• prism-twitter”