I spent most of last week holed up in a meeting room at Collabora Towers with Michael Meeks (of SUSE) and Eike Rathke (of Red Hat), working on a prototype of collaborative spreadsheet editing in LibreOffice Calc, using Telepathy tubes to start editing sessions with your IM contacts. Michael’s got a much more extensive and eloquoent post about where we got to, and here’s a quick screencast of the prototype in action!