This action will automatically creates a wiki-like profile for non-active users until they sign up. Only then will that profile become dynamic, actively allowing friend requests and message activity.
My dilemma? Even if well built, an empty social networking application is not a social networking site at all. So, let's say I have a school network of 4,000 people. What is a good, legal method of placing these people (photos and all) into the directory before they become active users?