"What physics engine did you use for Angry Birds?
" --Peter Vesterbacka, Rovio
"Would you be willing to credit it?" --Man
"I'm the creator of Box2d." --Erin Catto, creator of Box2d
Following this exchange -- which took place during Rovio's panel on its multi-million-dollar franchise -- a smiling, caught-off-guard Vesterbacka said that the company would credit Box2d as the physics engine it uses if Catto would see him after the Q&A session.
[Image: The Clock Blog