About getting people hooked on your products
Psychological triggers and such
How to get people "hooked" on reading and writing and debating on WeWrite?
Get them "hooked" on engaging ideas on their merit, the essence of the arguments, rather than the appearance and outwardly form
Rewards of the hunt - finding things after looking for them
Rewards of the tribe - being socially recognized by others for accomplishing something
Rewards of the self - some innate desire in you is achieved (I need to revisit the book for a clearer understanding of this one, since it sounds like it could overlap with rewards of the Hunt)