Cablevision is the latest company eyeing 3D technology.
The cable provider announced Wednesday that it's using a 3D format called RealD to offer customers high-definition 3D programs. Licensed from 3D technology maker RealD, the format will let cable networks and providers send their content in 3D using Cablevision's current broadcast system and existing set-top boxes.
But customers do need a 3D-compatible TV, which are just now coming onto the market. And manufacturers who've spoken with CNET have indicated that their current 2D-only TVs can't be upgraded to 3D.
Cablevision's 3D format makes its debut Wednesday … Read more