prediction: There will a few years of panic and re-adjustment when the crisis hits, as those whose business is invested in oil will not 'get out' until the last moment...reducing both demand per capita and "capita" (world population) could ease the transition, but mark my words, put your money in communications technology, 'cause ease of travel in big countries in places like the US will get worse, and will not let you to fly to Grammaw's house every Xmas..