From DOS to Windows: How Lotus 1-2-3 Paved the Way for User-Friendly Interfaces
Lotus 1-2-3 began life as a lightning-fast, keyboard-driven business spreadsheet for DOS. Its journey into the Windows era forced a rethink of interaction, discoverability, and visual feedback-lessons that shaped modern user-friendly software. This article traces that transition and the design precedents 1-2-3 left behind.