Stuff for people to think about.
Banner Blindness or why adverts don;t work.
Free is the new business model. wired mag article.
The Rodney McKay principle of Consumerism. or why SUP regarding it's customers as hostile forces is a bad idea.
If I might make a suggestion...accounts that are free but are invite only, and asking for donations to support the project worked pretty well for LJ at first.