our editor-at-large cory johnson and i spoke with zebra technologies' general manager jill stelfox. e censors. i asked jill how they work. >> we put quarter-size sensors in football players' shoulder pads. they can tell you everything about their speed and movement 25 times a second. so very, very quickly. >> how can fans and coaches and players benefit from this? how do they use the information? >> in a couple different ways. for fans, one of those questions we like to ask ourself, why isn't that guy open? why can't the quarterback see the open receiver? questions like that. i think we'll now be able to see that through lines and speed trails behind players. >> espn on "sportscenter" does this wonderful stuff where they illustrate the play moving the player and letting everyone else hold still. are we going to see very different graphics as you work with those broadcasters? will they be universal across all different networks? >> we have worked on the graphics. this is one of those things that is very new because when you track that subsecond movement, a bunch of new information bec