What item do you hope will be obsolete in twenty years?

The current version of electronic communication, which is so vulnerable to hacking, scams, and security breaches. And it's about to get a lot worse with the dawn of quantum computing, which will allow computers to break the encryption protocols that are currently relied upon.

Some people talk about redesigning the whole thing from scratch in a different way, but I am not tech savvy enough to know what they have in mind.