Think of prototypes as a funny markup language--the interpretation is left up to the rendering engine.

I think software patents are a bad idea. Many patents are given for trivial inventions.

We can debug relationships, but it's always good policy to consider the people themselves to be features. People get annoyed when you try to debug them.

Historically speaking, the presence of wheels in Unix has never precluded their reinvention.

Accidental stacks considered harmful.

What is the sound of Perl? Is it not the sound of a wall that people have stopped banging their heads against?

It won't be covered in the book. The source code has to be useful for something, after all.