Tilt — clever Firefox plugin that lets you view the DOM on your page in 3D. Excellent for visually understanding the structure and layout of your page. I can’t wait to see the applications of this in debugging and teaching.
Learnings from the Long View (PDF) — scenario planning lessons learned from the founder of the field. Most of the scenarios they talk about are near and dear to the O’Reilly heart: smart networks, augmented reality, synthetic biology, energy from bacteria, super macro- and micro-manufacturing. (via Rob Passarella)