One of the most in-your-face costs of 3D HDTV thus far has been the pricing of the active-shutter 3D glasses that the first available sets from Samsung and Panasonic have required: over $100 per pair.

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The rise and fall of 3D TVs came and went relatively quickly. Despite a brief period of whirlwind success in the early-to-mid-2010s, the concept of 3D televisions has mostly been relegated to a mildly ...