The 1970's were a tough time, this was the beginning of the fifth50-year mega-cycle of technology driven growth. 50 years later in 2020 it’s economic winter again and we’re facing theend of this mega-cycle. What characterizes these mega-cycles, and what do past mega-cyclestell us about the next sixth mega-cycle which is about to start?The next mega-cycle is beginning and it’s time to learn from the past,so that we can prepare for the future. This book was created using print-on-demand technology.