...of the new technologies being offered, each offers something subtle in the way of improvement. But none is like the three seminal jumps in the modern era of TV, which should be remembered as: the birth of big screen projection sets, the development of DVD, and the dawn of the HDTV era. While the first of those actually pre-dates the others by quite a bit, it most certainly was re-energized by the latter two. And DVD, which never was a high-resolution format, actually helped sell HDTVs for several years because it looked so good on those new sets even before much true HD content was available.
See the full story here: http://www.forbes.com/sites/markrogowsky/2013/01/10/ces-2013-the-resolution-may-not-be-televised/