It's impact is going to dwarf everything that came before it, but maybe the invention of the graphical user-interface. It requires no sales pitch, its immediately useful, its utility is obvious, its the fasting growing app in history. It's going to be integrated into everything: your smart-speaker, your ring doorbell, all productivity software (photoshop, visual studio...), search engines... what else... your tesla? McDonalds ordering kiosk... call centers... some system that gives you a social credit score, drones.. what else... a new generation of industrial robots...