Do you know what is common between choosing a new apartment, finding a life partner and selling a home? It is important not to sell cheap and live happily ever after. How to do it with the highest possible guarantee of success? The answer is the "37% rule", which allows you to find the optimal balance between the time spent searching and the final benefit. And how to deal with a pile of things in the closet or quickly alphabetize the family library after moving? Data caching algorithm to help you! Well, if you are struggling with seating guests at a wedding banquet, the relaxation method is your salvation. Even if none of the terms mentioned above are familiar to you, do not be discouraged and be sure to read the book by journalist Brian Christian and cognitive scientist Tom Griffiths. In their opinion, programmers and mathematicians have long developed algorithms that allow computers to find the optimal solution in a given time and with minimal effort and money. The authors believe that we simply need to take advantage of these developments, and popularly explain exactly how to apply complex mathematical algorithms to solve everyday problems, successfully avoiding scientific and oversimplification in their explanations.