I think FireFox sync may have deleted all my bookmarks. I installed it on a new computer and selected the "Replace all data on this computer with my sync data" option. However, no bookmarks appeared, leaving me wondering if it has done the opposite and obliterated my bookmarks on the server.
Currently, I assume that my bookmarks are still stored on my other computers. Is there a way I can make a backup before Sync deletes them off those as well?