This document discusses data scraping and provides information on how to scrape data from various sources on the web. It notes that free data is available from public and private sources, as well as surveys and official statistics. It then discusses what scraping is and how to scrape data from HTML, CSS, dynamic sites, and APIs. It provides examples of scraping tools and discusses being responsible when scraping by including a user agent and respecting websites' terms of use. Legal issues are also briefly mentioned.