Sept. 11, 2001, is anything but a long-lost memory for many, many Americans. Anyone who has been to an airport or endured yet another emergency-evacuation drill at work needs no reminder of how its effects endure. But then there are more subtle influences, the ones lodged just below the surface that shake loose at the slightest provocation.
So, whether most people recognize it or not, 9/11 has changed their lives in one way or another. Here are seven of them: