Summarize the setting of Snow Crash:


Context: The story opens in Los Angeles in the 21st century, an unspecified number of years after a worldwide economic collapse. Los Angeles is no longer part of the United States since the federal government has ceded most of its power and territory to private organizations and entrepreneurs. Franchising, individual sovereignty, and private vehicles reign supreme. Mercenary armies compete for national defense contracts, while private security guards preserve the peace in sovereign gated housing developments.  Highway companies compete to attract drivers to their roads,  and all mail delivery is by hired courier. The remnants of government maintain authority only in isolated compounds, where they do tedious make-work that is, by and large, irrelevant to the society around them.  Much of the world's territory has been carved up into sovereign enclaves known as Franchise-Organized Quasi-National Entities,  each run by its own big business franchise, or various residential burbclaves. In this future, American institutions are far different from those in the actual United States at the time the book was published; for example, a for-profit organization, the CIC, has evolved from the CIA's merger with the Library of Congress.

Answer: The story opens in Los Angeles in the 21st century, an unspecified number of years after a worldwide economic collapse . Los Angeles is no longer part of the United States since the federal government has ceded most of its power and territory to private organizations and entrepreneurs . The remnants of government maintain authority only in isolated compounds, where they do tedious make-work .