At the very least, now it seems Google is making all their applications fairly standardized in their UI/UX. I think that's Material Design at work, but I'm far from a UI/UX person.
It could be that floor access is governed by key cards. The elevator having a key card reader, but the doors in the stairwell not, maybe because they hadn't yet been retrofitted.
I'm interested in all languages, all stacks, everything. Can't get enough. I keep a blog at ShonM.com that tells a bit about me and shows slivers of my work. Happy to answer any questions via email!
> Built for your your stack
I do not have a valuable comment outside of that. I wish I could play with opsee, but I don't have anything going on right now that's big enough :(