Sony shutting down Japanese floppy disk sales by March 2011, kills a tech dinosaur Believe it or not, Sony managed to shift 12 million 3.5-inch floppy disks in Japan last year -- presumably to die-hard old schoolers. Alas, time waits for no one, and the venerable data transporter that started its life way back in 1981 is going to all but cease production by March of next year. Sony was the last of