Why Finite State Machines Are Everywhere: From Software to Human Life

Why Finite State Machines Are Everywhere: From Software to Human Life Finite State Machines (FSMs) are everywhere — whether you are writing software, designing systems, or simply living your daily life. From a login screen that moves from “logged out” to “logged in”, to a human being transitioning from “sleeping” to “working”, the same pattern exists. In this article, we’ll explore what a Finite State Machine is, how it works in software, and why human behavior itself can be understood as a series of states and transitions. ...

January 13, 2026 · 3 min · 602 words · Niraj Kashyap