> Lol. Based on chats with a buddy that [still] work there, in [most] a lot of buildings they have a system sort of like the subway. Swipe, door open, you pass

> Lol. Based on chats with a buddy that [still] work there, in [most] a lot of buildings they have a system sort of like the subway. Swipe, door open, you pass through, door close. There isba sensor that can tell if you went in. You also swipe in and out of the building. So not only they know you were there, they know for how long. Could you swing a backpack through to fool the sensor? But it's sounding like fooling it would be way to attention-grabbing to work.