Chicken and Egg Problem stop creating new conflicts resolve existing conflicts Maintain independence of unique username, single sign-on, electronic mail addressing, et cetera . PennNames System Requires input of existing username space, and modification of account generation procedures on multi-user systems first tools target Unix and the Modem Pool 2. Dummy accounts with .forward files can facilitate name changes.
Privacy issues remain.
Name changes can be deferred until forced. Pilot and implement to your ability.