Before digital technology, communication was slow and limited. Letters took days. News took weeks. Knowledge was locked in physical books and physical places. When electricity and computing advanced, humans discovered a new way to represent reality — not in paper or sound alone, but in numbers. Everything digital is built on one simple language: 0 and 1. Binary. Presence and absence. On and off. From that simple system came computers, the internet, smartphones, blockchain, AI — everything. So...