> For the complete documentation index, see [llms.txt](https://blockstreet.gitbook.io/blockstreet/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://blockstreet.gitbook.io/blockstreet/block-street-info/quickstart.md). # 01. Background Historical background and changes in journalism 1\. Changes in Media due to the Development of Internet and Mobile Technology Traditional media include print media (newspapers, magazines) and broadcast media (radio, television). These media are the primary means of disseminating information and have been provided news and entertainment to the public since the early 20th century. However, the emergence of the World Wide Web (WWW) marked a major turning point in the way information is disseminated. Websites and online news portals have become capable of providing users with real-time information, and traditional media started to produce digital content tailored to online platforms. Since the early 2000s, the proliferation of smartphones and mobile internet has brought about another shift in media consumption patterns. The popularization of mobile devices has created an environment where people can access news and media content anytime. 2\. Social Media and User-Generated Content Since the mid-2000s, social media platforms such as Facebook, Twitter, and Instagram have emerged, creating an environment where users can create and share content themselves. Social Media has provided new avenues for news dissemination and increased interaction and information sharing among users. The advent of platforms like YouTube has fueled the growth of user-generated content (UGC). Individuals were given the opportunity to create and distribute their own news, reviews, commentary, and more, which has become a significant factor in changing the traditional media structure. 3\. Changes in digital advertising and revenue models With the evolution of digital media, online advertising has become a major revenue model. Advertisers can deliver targeted advertising across a variety of digital platforms, including websites, search engines, and social media, which has greatly improved advertising effectiveness. Online news and media have adopted a variety of revenue models, including subscription models, premium content, sponsorships, and donations. These changes are creating new revenue opportunities for content creators and media organizations, while also making content more accessible. Background Summary The media landscape has changed dramatically over the past few decades. With the advent of the Internet, traditional media channels, such as newspapers and television, have been supplemented or replaced by digital platforms. Social media, streaming services, and online news portals have become the primary source of information and media consumption for millions of people around the world. However, this digital revolution has also brought with it a number of challenges, including reliability, content authenticity, and data privacy. --- # Agent Instructions This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com. ## Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter, and the optional `goal` query parameter: ``` GET https://blockstreet.gitbook.io/blockstreet/block-street-info/quickstart.md?ask=&goal= ``` `ask` is the immediate question: it should be specific, self-contained, and written in natural language. `goal` is optional and describes the broader end goal you are ultimately trying to accomplish on behalf of the user. GitBook uses it to tailor the answer towards what is most useful for that goal. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.