Depending on your level of DIY-ness and willingness to handle powders, you could make some Super Goop. I've heard good things about it but haven't yet had enough bed adhesion issues to make it yet.
I've been looking at Linux phones for a while, and now the latest 'sideloading' lockdown from Google has pushed me to seriously consider getting off Android. What phones do you use or recommend for someone who has a little Linux experience?
I fail to see what a new protocol would bring to the equation. I see it more as a human behaviour issue, network effect, worse is better etc etc.
My grandma uses Facebook because someone taught her how, she doesn't have the capability to explore technology on her own. That honestly goes for most people, they treat their computer as necessary for getting along in modern society and nothing more.