The funny thing about freeze-drying is it’s kind of an exception to the rule. Removing all the water from a floret of broccoli, for example, doesn’t turn it into something new; it simply transforms it into a slightly lesser version of itself. “Once you change the physical structure of something by drying it out all the way,” Allen said, “the texture is never really the same.”
Business titans grew uncomfortable. In 1889, Andrew Carnegie, who was on his way to being the richest man in the world, worth more than four billion in today’s dollars, wrote, with concern, about class tensions; he criticized the emergence of “rigid castes” living in “mutual ignorance” and “mutual distrust.” John D. Rockefeller, of Standard Oil, America’s first actual billionaire, felt a Christian duty to give back. “The novelty of being able to purchase anything one wants soon passes,” he wrote, in 1909, “because what people most seek cannot be bought with money.” Carnegie went on to fight illiteracy by creating nearly three thousand public libraries. Rockefeller founded the University of Chicago. According to Joel Fleishman, the author of “The Foundation,” a study of American philanthropy, both men dedicated themselves to “changing the systems that produced those ills in the first place.”
Before they were pets, dogs were workers. They can carry their own supplies without complaint (already making them superior to most humans right now), sniff out food and water, and search for and bring down prey. Some breeds, such as huskies, have been specifically tailored to bust their butts on the barest of rations. Dogs also have a long and storied history of offensive and defensive combat use, making them perfectly suited to attack anyone who thinks they have more of a right to that sweet, sweet snack cake stockpile than you do. Which is to say, your four-legged pal is just a few training sessions and a kickass set of armor away from leading you to your rightful place as God Of The Ragged Desert/Water People.
To Levchin, prepping for survival is a moral miscalculation; he prefers to “shut down party conversations” on the topic. “I typically ask people, ‘So you’re worried about the pitchforks. How much money have you donated to your local homeless shelter?’ This connects the most, in my mind, to the realities of the income gap. All the other forms of fear that people bring up are artificial.” In his view, this is the time to invest in solutions, not escape. “At the moment, we’re actually at a relatively benign point of the economy. When the economy heads south, you will have a bunch of people that are in really bad shape. What do we expect then?”

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One measure of survivalism’s spread is that some people are starting to speak out against it. Max Levchin, a founder of PayPal and of Affirm, a lending startup, told me, “It’s one of the few things about Silicon Valley that I actively dislike—the sense that we are superior giants who move the needle and, even if it’s our own failure, must be spared.”
Other newsletters and books followed in the wake of Ruff's first publication. In 1975, Kurt Saxon began publishing a monthly tabloid-size newsletter called The Survivor, which combined Saxon's editorials with reprints of 19th century and early 20th century writings on various pioneer skills and old technologies. Kurt Saxon used the term survivalist to describe the movement, and he claims to have coined the term.[9]
According to Hobel, shelter is your first priority. Lay down cardboard and other materials to insulate yourself from the ground. (Even in summer, the ground can have temperatures that lead to hypothermic conditions.) Use tarps, blankets, pillows—whatever you can find—to build the shelter on that layer. It should be as low to the ground as possible, and you shouldn’t be able to sit up when you’re inside, Hobel says. Other than the airflow you need to breathe, block all openings to keep cold air from coming in. It’s a matter of conserving heat. A lot of people don’t realize that their bodies are heat sources, Hobel says. You’re almost 100 degrees. Trap that heat around you instead of letting it rise in a tall shelter, and you won’t need a fire to stay warm.