It is not only wikis and blogs that you can use collaboratively online. Now it is possible to create graphs and charts together, as well as regular text documents and tables.
|What you Need||Tool to Adopt|
|a graph or a chart||Gliffy|
|an online word processor and a spreadsheet application in one; you need to embed images and/or share a video||GoogleDocs|
|an online word processor compatible with Opera||ZohoWriter|