If you update your info it should not just all of the sudden appear. We are most likely running a schedule to pull updates at different intervals. I just can't remember right now what the programmer set it to. I'll check in on it Monday at the latest to make sure any updates are pushed into the map.
It IS REALLY STRANGE,IN THE BEGINNING WHEN THE MAP CAME OUT AND I UPDATE MY PROFILE I WAS THERE AND NOW I AM OFF..