In the same way, knowing the activity of every wire on every chip in my computer wouldn't tell me much if I didn't also know the program my machine was running.
At the next playgroup, I asked the lady at the front desk to pass my e-mail address on to her. (By the way, Mary isn't her real name -- I changed it to prevent scaring her off.) I was beet red as I walked Kylie toward the subway station, and was doing frenetic hop run behind the stroller.