Are you working on a group paper? A symposium project, or just a story that you and your friends want to write together?
Use Google documents. With this handy tool you can simultaneously edit documents that you’ve shared with your friends. Better yet you don’t even need to sign up for a new Gmail account. With your student Gmail account, you also get the benefit of access to Google docs!
Here’s some articles about more interesting things you can do with Google docs.