 What is the central purpose of the article?
And then, it also has the meaning that you are unencumbered legally, that you are free, as in ‘free software.’ This means that a lot of people who have a Net presence have a legally encumbered Net presence. The third part of the pun is that, since I’m asking for a model release from the subjects, I’m asking everyone to be much more open and giving about their image than most people typically are. They can be used in textbooks and in mainstream media articles about the person. What we’re trying to do here is to expand beyond just copyright, to make it more thorough from a legal perspective. Creative Commons has moved from a fringy academic discussion to a boardroom discussion.
 To advocate support for expansion of Creative Commons licenses
 To advocate support for expansion of Creative Commons licenses  To inform the readership of current problems in the photography industry  To illustrate how photographers go about their creative processes  To praise a fellow photographer and writer for his recent contributions