This overview traces the explosive growth and dramatic crash of the dot-com bubble, from the launch of Mosaic in 1993, through the IPO frenzy and hype-driven investments of the late 90s, to the 2000 market collapse. Driven by speculation, low interest rates, and unchecked optimism, countless internet startups soared then crashed, wiping out trillions. Some companies, like Amazon and eBay, survived, but most vanished. The story highlights lessons for today's tech boom and market cycles.