The same happens with 3D. Every 15-20 years, manufacturers and content producers seem to think "this is the year people will want to watch X in 3D". I'm a litt

The same happens with 3D. Every 15-20 years, manufacturers and content producers seem to think "this is the year people will want to watch X in 3D". I'm a little skeptical that either will become mainstream daily-use technologies.