It does shed light on why HP is suddenly adding not quite an iPod dock, but an iPod dock holder to its Pavilion line, although it seems like very strange timing considering Apple isn't selling docks standard with any of its iPod models anymore.
The initial purpose was for replays to be used to correct timing and scoring errors and was later expanded to look at whether a player was behind the line on a 3-point shot and flagrant fouls.
The bottom line is that effective email marketing relies on consumer data to drive content, offers, timing and many other elements of message strategy.