The document discusses Chris Anderson and his Long Tail Theory of business and marketing in the digital age. It explains that Anderson wrote an article and book about how the internet allows businesses to profit from a large number of unique products and niche interests that may have low individual sales but high total sales. It gives examples of how companies like Amazon, Netflix, and iTunes have been able to succeed by utilizing the Long Tail through low-cost distribution and no limitations of shelf space. The document also outlines how new forms of digital media and tools have enabled the democratization of content creation and distribution, helping fuel the Long Tail effect.