Impromptu: Amplifying Our Humanity Through AI other key scientific innovations, and, as Johnson emphasizes, equally important policy choices, advocacy campaigns, and regulatory interventions, the average 21st-century person now has an “extra life” compared to our ancestors just a few gener- ations ago. That is nothing less than amazing—perhaps the greatest accom- plishment in human history— and technology was central to it. Along with more time, we have exponentially more ways to spend it, using tools that make us far more powerful than the typical denizen of the early 1920s. Always close at hand and connected to massive repositories of global intelligence, smartphones are a new cyber-append- age that billions of people utilize hundreds of times a day to project their voices, extend their vision, enhance their memory, respond more quickly to changing conditions, and make more informed decisions. Whoever you were in say, 2005, you are—if you regularly use a smartphone now—a dramatically enhanced version of that person. In addition, you can also coordinate and collaborate with bil- lions of other similarly empowered people who are more amplified and efficiently connected versions of their former selves, too. GPT-4: I don’t necessarily disagree with any of the points you made, but I think it’s important to remember that not everyone experiences these benefits equally. For example, while it’s true that the average human life has doubled in the past hundred years, there are still parts of the world where life expectancy is much lower, due to poverty, lack of access to healthcare, or other factors. And while smartphones and other technology have certainly made our lives easier in many ways, they can 192