Explore the fundamental concept of abstraction in software development through this 25-minute conference talk from RubyConf 2021. Gain insights into the importance of finding the "right abstraction" and how programming itself is an act of abstracting the world into bits and bytes. Learn what abstraction is, why it's crucial for software development, and examine a real-world example of dealing with problematic abstractions. Discover strategies for identifying when an abstraction no longer serves its purpose and how to envision new ones for your code. Topics covered include the perfect abstraction, handling too many or too few abstractions, pain points in writing tests and extending code, and revisiting existing abstractions. Benefit from this comprehensive introduction to abstraction, complete with practical examples and valuable resources for further learning.