The reasoning behind the API changes, the CEO's entitlement, the ever-more-annoying interface changes (I hate the "More Posts You May Like", the algorithm is pathetically shitty).
I refuse to install apps to navigate websites. If your site is decent, it should work in a browser. If not, I'll just go elsewhere.
Cyborg-like implants. I want titanium joints and UV vision and magnetic field sensors and charging my phone by laying it on my belly. Uncap each finger to reveal a small tool: screwdriver, USB key, cutting blade, etc.
Note that none of that includes or requires a constant connection to a network/internet. I want to augment my interactions with the real world, not replace them with a virtual world.