I don't want to get all mushy here and get too deep into this historic event. I remember being awoken by my girlfriend then (now wife) with a frantic call to turn on the TV after the first plane had already crashed into the World Trade Center. I watched in disbelief, as if it were some sort of fiction, as the second plane crashed into the second tower on live television.
My mother was a mere five blocks away from the World Trade Center...it was quite frantic trying to check on her condition as all of the cellular channels were overloaded. Luckily, she was unharmed and was able to make it out of the city that evening.
There's not much else to comment on this I guess, so I'll leave this with a photograph that I took in March of 2002: