http://www.theverge.com/2014/10/21/7026889/magic-leap-google...
Especially if they make the hardware far more subtle somehow.
Though popup spam might give you a heart-attack.
Could become an ancient ancestor to "ghost in the shell" type of living with external memory.
Also solves the "problem" of 3D hologram TV, who would need it anymore.
If you like anime and AR, you may be interested in Dennō Coil:
https://en.wikipedia.org/wiki/Dennō_Coil
http://www.theverge.com/2014/10/21/7026889/magic-leap-google...