From PPP

This page will collect study cases, where we can learn what to do , and what better not to do.

[edit] established patterns

[edit] Book Crossing

Book Crossing is a book Tracking Service.

Books are declared for public use by labeling them with a label, providing a Unique Id for every book.

Establised usage patters:

• Controlled Release: Book Ring, Book Ray

[edit] suggestions

• Walking Media start a (local) media library, where you do not have to bring back media
• share tools localy
• A PPP Car not full yet must stop all hitchhickers
• It's as yours as from others like you...