The "Internet Bubble" refers to a period in the late 1990s and early 2000s when the stock prices of many internet-based companies soared dramatically. Investors were overly optimistic about the potential of the internet, leading to excessive speculation and inflated valuations. Many startups, often without solid business models, received significant funding, contributing to a market frenzy. When the bubble burst in 2000, many of these companies collapsed, leading to substantial financial losses for investors. This event highlighted the risks of speculative investing and the importance of sustainable business practices, ultimately reshaping the technology and investment landscape, including the rise of Silicon Valley as a tech hub.