Via Chris Pinchen.

So my question would have to be, who decided on the parameters of this specification? Is Google now in a position to tell transit operators how to structure their data (duh), or was there some existing semantics they picked up and extended?

Here's my talk from dConstruct in Brighton a few weeks back. My goodness, I do go on. This is an absolutely sprawling talk! Check the tags for some idea of content.

Lax security behaviors and the Great Austin Zombie Exploit of 2009. Goes directly to the challenges of read/write APIs for public objects.

A lovely definition for the nonspecialist, too.