Fry builds upon the foundation of the early chapters and introduces additional concepts like decision trees, algorithmic errors, sensitivity and precision, neural networks, Bayes' theorem, and more. The remaining chapters-justice, medicine, cars, crime, art- look at specific applications for algorithms and data. Fry is careful to highlight many of the critical questions that need asking: What are the underlying assumptions of a particular algorithm? How is it biased? Why is personal data being collected about me? How is it being used? What are the incentives for the data collector? Data are the inputs that machine algorithms make use of the output predictions, decisions, classifications and more. Algorithms are the logical sets of instructions that computers use to perform a task. The first two chapters of the book cover two key concepts: algorithms and data. As a result, “Hello World” serves an an excellent primer for anyone seeking to better understand the implications of our highly algorithmic future. Fry takes a complicated and highly technical subject and deftly presents, in plain English, the key technical concepts and pressing ethical and moral considerations. Hello World: Being Human in the Age of Algorithms by Hannah Fry (2019) is a layperson’s guide to the important subject of Artificial Intelligence, machine learning, automation and algorithms.
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