In this video Ray Kurzweil start talking about the energy and how we can use the technology to make the energy more useful for us and friendly to the environment. He also talks about the poorness and diseases and how both have been decreasing over the years. Moreover, he says that there were some things were developed but did not work. Also, he talks about the future of some devices and programs, for example, we cannot know if Google's price will decreasing or increasing in the next three or four years, but the price of some devices will surly increase in the next few years. Furthermore, Ray Kurzweil talks about how the technology developed so fast and its ability debul every year. He talks about how the computers were in a size of a room and have the ability of a cell phone. Moreover, he compares the human revolution with the technology development and how we can use develop our health by technology. Also, Kurzweil talks about how the computers could have think in the same way humans do. Finally, he talks about how the technology is capable of developing the human heath, the weather and many other things.