User Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.17 (KHTML, like Gecko) Chrome/24.0.1312.14 Safari/537.17 Steps to reproduce: Firefox 17 introduced 4 Facebook icons. As with everything else exposed via the "Customize" menu, these should be movable to anywhere I want. Actual results: When in customize mode, I can drag the Facebook icons to other places, but dropping reset them to their original position. Expected results: Drag&drop should have worked as with any other icon.