It would be really helpful if there were a little timeline in a vessel's AIS info tab showing what MMSI the vessel was operating under when. Perhaps it could be toggled to show vessel type or gear type as well? I'm requesting this because it would make things much easier for me if I were able to see changes in a vessel's MMSI and other ID traits over time in one screen without having to toggle between date ranges. Also, I have seen it cause confusion for even experienced users who forget that the MMSI may not have been the same over all time, and don't realize/remember they should toggle between the date range dots to check.