Google Docs is a sever based suite of office tools. There is a word processor, spreadsheet,Â presentation tools and storage. You can create documents or upload existing documents. Documents can be shared or kept private and edited and accessed from anywhere.
The access from anywhere is the important part. Now there is a mobile interface to the Google Docs so you can read and edit your documents from your phone as well. Like all the Google services so far this one is free and easy to set up.