3D made a big splash at CES 2010, with momentum that continued into 2011. Photo: Jon Snyder/Wired.com

3D television was heralded as the breakthrough technology of the 2010 Consumer Electronics Show. Hot on the heels of James Cameron’s eye-opening Avatar, 3D HDTVs were everywhere on the show floor.

One year later, at CES 2011, 3D was back again — this time iterating. We saw bigger 3D HDTVs, 3D displays that didn’t require special glasses, and camcorders that captured 3D content.

But where is 3D now? It’s certainly not showing up big on our CES 2012 radar, and now looks like over-hyped t...