state becomes "other state / province" when country is not US
registration has an optional phone number input
also an optional showable "special shipping instructions"
valid countries include... "USSR (former)"?
activating the account requires both an email address confirmation and reddit account association (via link which connects via api) - I think only the Reddit one stops you from navigating the site
emails don't seem to be going out so well right now so I couldn't profile any of that
settings claim that changing your email will prohibit you from changing anything else. I didn't strictly encounter that, but it's entirely plausible
Stray observations: