Acer announces ConceptD 7 SpatialLabs Edition laptop, which uses eye-tracking for a glasses-free 15.6-inch 3D display, available in December starting at €3,599 (Chaim Gartenberg/The Verge)

 Chaim Gartenberg / The Verge: Acer announces ConceptD 7 SpatialLabs Edition laptop, which uses eye-tracking for a glasses-free 15.6-inch 3D display, available in December starting at €3,599  —  That kind of tech doesn’t come cheap,...