From HP.com, a look at the CIO of the Arizona Diamondbacks.â†µ
The end-user requirements aren’t easy, though. Imagine the coach’s need: Call up the video for any matchup of any pitcher versus any player, at any angle. "I want to see the footwork of our catcher," the coach might say. "And I want to play it over and over again to see if his footwork is improving." That video needs to be displayed on Smartboards so that coaches can draw on it, perhaps to analyze the slot angle of the player’s throw.
Not mentioned in the article: the technology that told them their bullpen was bad in 2010. That's the kind of stuff that pays for itself.