seen on Geoff’s blog – Between the Poles
Project Butterfly is an Autodesk Technology Preview project that allows AutoCAD users to edit AutoCAD drawings over the web just using a Web browser. With Project Butterfly, AutoCAD users can share and work on DWG files with colleagues and clients from any computer with an Internet connection.
In april a new version of Project Butterfly has been released that allows you to georeference and overlay AutoCAD drawings on Google Maps and edit and modify drawings in their geospatial context.