Tighter Security at Marathon — This Sunday’s Marine Corps Marathon will include tighter security than years past. Camelback-style hydration backpacks have been banned, as have Halloween masks. Runners will only be able to check items in clear plastic bags. [WJLA]
Google Maps Arlington National Cemetery — Google has used its Street View technology to map Arlington National Cemetery from the ground. Using a backpack-mounted array of 15 cameras and a hired walker, the company has gathered 360 degree images from around the hallowed grounds. [Washington Post]