GNU Screen has A LOT of interesting applications, and I like it a lot - so much that I have spent some time tinkering it.
One of the MOST interesting features that GNU Screen provides is screen session sharing. That means that you can start a screen session on your computer and OTHER USERS can connect to that screen session in order to just watch or also interact with the session. You can have a remote colleague log in to your machine via SSH using a "guest" account, for example, and