they use vvvv software: <a href="http://vvvv.org/tiki-index.php" rel="nofollow">http://vvvv.org/tiki-index.php</a><p>more videos of "Projection Mapping": <a href="http://vj.tv/news/category/cat/projection-mapping-cat-2/" rel="nofollow">http://vj.tv/news/category/cat/projection-mapping-cat-2/</a><p>[edit] there's also VPT: <a href="http://hcgilje.wordpress.com/resources/video-projection-tools/" rel="nofollow">http://hcgilje.wordpress.com/resources/video-projection-tool...</a>