What is holding us back?
This is the typical "killer app" problem. It took years for people outside of the research, government, and educational areas to figure out how the internet helped them. It was really until the convergence of home computing, services like AOL that it really took off in any meaningful way.
This will be the same for all major technologies today that are in their incubation phase. AI, AR, and especially Blockchain technologies like Bitcoin, Etherium, etc.