The North American Aerospace Defense Command’s annual Santa tracking web site is now available.
Here’s a video showing some of the locations they tracked him passing through last year.
You can follow his progress on Christmas Eve at NoradSanta.org.
According to their Videos page the system works by using a set of strategically placed “santa cams”;
Santa Cams are ultra-cool, high-tech, high-speed digital cameras pre-positioned at many locations around the world only on Christmas Eve. The cameras capture images and videos of Santa and his reindeer as they make their journey around the world. Come back to this page on December 24 to see Santa fly!