Videos sobre GIS

Wikimapia.org http://www.youtube.com/watch?v=6qsnBOgW5rg&feature=related
Introducing GIS http://www.youtube.com/watch?v=UVqPv4VanEw&feature=related
GIS ArcGlobe http://www.youtube.com/watch?v=IL1SKqtWB9Q
NORAD Tracks Santa - Machu Picchu, Peru http://www.youtube.com/watch?v=LNteiL0rpac