Corning, your scratch-free monopoly is coming to an end. No longer will you hold us hostage with your insanely durable and cunningly marketed Gorilla Glass. Asahi Glass is getting in on the game, introducing Dragontail -- a name that doesn't quite give us the same connotations of incredible strength but, if you watch the video, you'll see it manages many of the same tricks as Corning's offering. Poking and prodding?