Certainly I would`t buy a 3D TV that needed me to wear glasses (glasses on my glasses - no thanks) and thats what I think will stop selling in the same volume. But they have been selling like hot cakes so it`s a bold (or stupid) call. You`re right, if the glasses free 3D was available at...
CDs do still sell, but the numbers are definitely on the slide.
The article is ok but should not talk about obselete in 5 years, more about what is likely to be the trends. So on my own list would be 3D TVs, plasma TVs (look out for 4K TVs), DVDs, CDs, and the standalone MP3 player (will be...