The document discusses the DotCom bubble that occurred in the late 1990s in California. New internet-related companies saw a surge in investment and stock prices due to the potential of e-commerce. However, the bubble burst in 2002 when stock prices rapidly collapsed as interest rates increased and the US faced terrorist attacks. While many companies failed, some like Google and Amazon still exist and grew to become major companies, showing the lasting impact of the DotCom boom.