This .mbx updates an object by making it the same shape as an existing object. One useful application is when a table has many columns and you don't want to have to paste all column values into the new object. More detailed instructions given as word document.
A gathering of the European OpenStreetMap communit, State of the Map Europe, took place in Karlsruhe, Germany in June. Hundreds of attendees met to discuss various aspect of the project. Ed Freyfogle details how OpenStreetMap (OSM) has come a long way.