well, it sorta slipped out when they were trying to help someone else fix another problem, so it was never intended for us to use. it's possible that once it has that extension, it the device might do some weird stuff with either the book or the database itself, but I'm not sure. So while I and others have gotten it to work, need to make sure that there is a disclaimer so that the Kobo guys don't get too harassed if things do go boom