Linea del tiempo

http://www.google.com.mx/imgres?imgurl=http://www.teknologeek.com/wp-content/uploads/2009/05/sony-timeline-hd.jpg&imgrefurl=http://sonyasmosm.blogspot.com/&h=1188&w=2800&tbnid=jOB3tZ2v4lOFqM:&zoom=1&docid=dDLjk4obxz3bhM&ei=8UmQVdvxMIH9yQSOu4H4DQ&tbm=isch&client=safari&ved=0CC8QMygNMA0