Solved! How long before 4Dtv comes out

[farrakhan]

how long before 4Dtv comes out. or 3Dtv. without useing glasses

 

[rexter]

Glass-free 3DTV made its debut recently with the release of Nintendo 3Ds. The Parallax barrires used are also beginnig to appear on automobile's dashboard display. Unfortunately, viewers must be in the projection area to see the 3D effect. I would guess it would be 5 years or more.