Actually it didnt change anything
When using terms, you need to speak using proper terms everyone understands.
Technology to most just means some computer equipment and a Car has a computer in it.
This passcode OP is taking about is sent STRICTLY via Smart phone. Somehow it links your account and your cell phone #. I have it for my Yahoo e-mail account and ebay accounts. if I try to log into yahoo or eBay on a strange computer it alerts my smart phone.