This is Steve Jobs biography by Walter Isaacson. This is an interesting look into the life of Steve Jobs and is an excellent read. Anyone interested in the history of great influences on technology should read this book. Jobs was a great businessman.
Berlin interactive artists Gunnar Green and Frederic Eyl, Aperture includes dozens of tiny aperture holes that (with a slight delay) open if there is no light and closes if there is. The result is the silhouette of passersby.