The Ruby Object Model - Structure and Semantics
http://www.hokstad.com/ruby-object-model.html

Useful article explaining the inner workings of objects, classes, metaclasses, etc.

Building Sites Around Social Objects (Live from Web 2.0)

Some basic web marketing rules

Erklärt das Konzept des "Social Objects" sehr anschaulich - einem Design Paradigma für funktionierende soziale Anwendungen

"socialize your product online"