| 2021-01-07 00:37:07 | dipswitch | Updated Vision as organiser of Sun'n'Fun Conference 1993: changed organiser to Vision |
| 2013-04-28 02:58:05 | dipswitch | Updated Vision's membership of Suspect Development International: set as ex-member |
| 2013-04-28 02:42:25 | dipswitch | Edited notes |
| 2013-04-28 02:42:22 | dipswitch | Set location to Germany |
| 2013-04-28 02:42:13 | dipswitch | Added Vision as a member of Suspect Development International |