Two things.

  • I'll be arriving at the O'Reilly Emerging Technology Conference later this afternoon.
  • The absolute utter utter best thing about San Francisco, we saw even before passport control. The corridor walls at San Francisco airport, from the arrival gate to immigration, are decorated with god damn Penrose Tiles. Alas I have no photographs. But shit that's cool.

(See also: Previous post about Penrose Tiles.)