Well, the only good thing is that Google Maps will likely continue to run. My DVD based system had it's last update ever in 2015, so it will occasionally show

Well, the only good thing is that Google Maps will likely continue to run. My DVD based system had it's last update ever in 2015, so it will occasionally show me driving "off road" where the map database doesn't have street info. But then the cellphone companies could retire 4G data service at some point (like how 3G just shut down in February) and you won't be able to use it at all.