In an earlier post I showed how you can set up a document where students can add and edit text together from different computers using Etherpad. What if you want them to do something more than text? Then Google Shared Spaces is your site! You can create a drawing pad, Sudoku game, diagram editor, and many other things. Here is a computer class version of Magnetic Poetry that I made. Once a shared space is created, you can create a link to it on your webpage or in the student shared folder.