CSPAN3 May 29, 2012
technology, which it's not clear that that's really traditional. the real traditional technology, of course, is something the cave man did. so this is really kind of advanced stuff. since about 1910 or so. but, you know, we'll take it. and you can see that over time we've gone to more and more sophisticated equipment. and every time there's a new generation in equipment it seems as if the cost is higher now. but i can't tell you for sure is whether this is in price adjusted terms. but it probably doesn't matter. i think the impression is undoubtedly correct. but it's -- you know, whe...
Source: archive.org