I went for a job interview (bugger, must be about 25 years ago) and when I was shown around the building, the manager I was being g interviewed by had a tiny lapel type pin badge, which not only let him access the various offices, it also opened the doors.
It wasn't a huge company, but I was impressed with that, as I'd heard of tech like that, but being in rural England, had never seen it.
I had worked for the Ministry of Defense, and despite being.in the tech dept, we didn't have that, not even voice control or fingerprint doors, just standard analogue keypad entry.
Ssshhh, (this was over twenty years ago) even the most secure part of where I worked, had a buzzer/speaker entry system... Push buzzer n speak, person lets you in! What I did love for that section was.... You pushed the buzzer n spoke (I got.your new desktop unit to.replace your older model)... I was told to stay put, then I heard it, and was grinning ear to ear.... The whine of an old lift, and heavy foot steps along a corridor, some more electronic buzzing g sounds as they walked through doors n more corridor walking, until they got to where I was. They took the new desktop unit, told me to.come back in 15 mins, to receive the old unit... Which I did. It was just like a scene from a 60s film (so I imagined anyways).