I remember it like it was yesterday. I lived in northern Virginia and was working at AOL as a sysadmin. I was young and a little flaky back then. I overslept that morning and when I woke up to take the dog out, it was a beautiful, crisp fall morning. I called a coworker to tell him that I would be late for the team meeting (this being pre-Zoom and before the "standup" became a thing). He said, "no worries, dude. Turn your TV on, the WTC is on fire and we are watching it." I turned my TV on and a minute or two later, the second plane hit. Instantly, I knew that this was going to be a big deal and since we helped run CNN.com, I quickly dressed and hauled ass to work to help with the inevitable web traffic surge. My buddy called me and said, "don't bother coming in, they are evacuating the buildings". There was a rumor that a hijacked plane was circling DC and AOL was right near IAD. I went back home, only to be called in an hour later. We were taken to the AOL leadership bunker, which I didn't even know existed. A large conference room deep underground below a small data center on the campus. We spent the next two days nursing CNN. for lunch on

Exactly! I remember getting dressed for work while listening to MPR (Minnesota Public Radio) about an airplane hitting the WTC and I figured it was just a small Cessna 172 or something so I turned on my TV just in time to see the second impact live.

Watching it happen live with the immediate knowledge that it was obviously a deliberate act was, like you said, a huge amount to process all at once.

I actually think that having a goal like "get dressed and go to work" probably was a great benefit to my mental state.

Cognitive dissonance even for people who missed it. At the time I was in my early twenties, started my day late, and usually didn't check news until after getting a little bit of work done. When I got to work, nobody else was there, which was weird. There was a TV on an AV cart in the middle of a hallway, also a bit weird. There was a note from the CEO saying that everyone was going home to be with their families. That also seemed a bit weird, but I shrugged it off. Our CEO was a family values guy, very Christian, and I had heard he used to lead prayers in the office when the company was smaller. (It didn't occur to me that it was a Tuesday and everybody's families should be at school or work.) So I sat down with my coffee and started working. After a while, at a time that I guess would have been close to noon in New York, I went to cnn.com, which came up as a primitive-looking site without any media, so I chuckled internally and took a screenshot, thinking CNN had been hacked. How could CNN let themselves get hacked! I skimmed over the headlines thinking that the hackers would have put in something political or humorous, but I didn't see anything like that, and started to think, okay, this is CNN's real content, so their web site got hacked or otherwise impacted by something, so they put up the text site while they recover. I starting thinking about what could have affected their site like that, and then it dawned on me that the top headline might have something to do with it.

I know others have been downvoted for saying this, but for me the shocking nature of it took a while to sink in. I had not had a chance to travel much yet at that point. I had been to New York City once, just like I had been to Europe once and seen London and Paris and Rome. I came from a small town in Texas and had a habit of thinking of all of those places as the "real world" where big real things happened, places that had diplomats and stock exchanges and famous universities and celebrities and, well, terrorist attacks. The 9/11 attacks didn't violate that sense of order. On a gut, emotional level, it was just a real world type thing happening in a real world type place. It took me a while to understand why people were reacting so differently.

Indeed. I was in high school watching CNN live at the time the second plane struck. There was tremendous uncertainty about what had happened. I thought for sure it had been egregious pilot error.

We watched as the second plane ran right into the tower. At that moment we started realizing that it was intentional. But even then, the uncertainty about who would do that to us and why, was really worse than before.

This event really changed my entire life. Prior to this I had plans to finish my automotive tech trade school program. Within the next few days watching the footage of people leaping to their deaths in preference to burning alive, and as more and more information trickled in about who was responsible for the attack, I decided I needed to join the military to help ensure that nothing like this ever happened again. My life would have played out a whole lot differently if not for this.

I second this. I was a child in Elementary school at the time and had just woken up and walked into the living room with the television on after the first plane attack. The reporter (forgot the network, I’d seen the same footage repeatedly all day that day and never wanted to look again) was still talking about the possibility of it being an accident right up until the second plane attacked. Even in my eyes at the time, one might be an accident but two was an attack.