All the solutions he mentions (including the Blizzard system) is just a more complicated first-come-first-claimed. Gamification to get a shorter name, is the sa

All the solutions he mentions (including the Blizzard system) is just a more complicated first-come-first-claimed. Gamification to get a shorter name, is the same system with a slightly more complicated process of the registration after-first-registration. Blizzards idea that you always see the username and not the uid identifier is probably as human-friendly as it can get.