This document outlines the milestones and history of Sony from its founding in 1946 to present day. It discusses Sony's early innovations including the transistor radio and Walkman, as well as its expansion globally and into new industries like movies and gaming. The document also analyzes Sony's strategies, strengths, weaknesses, and competition compared to rivals like Microsoft and Apple. It recommends that Sony continue innovating while also paying closer attention to customer and market preferences to avoid failures like Betamax.