[July 16, 2015] “The Post began testing a new feature called Knowledge Map, which can be seen in “Why the Islamic State leaves tech companies torn between free speech and security”. Knowledge Map gives readers an easier way to catch up on ongoing stories by quickly and seamlessly providing relevant background, additional information or answers to frequently asked questions, when the reader wants it…As readers will see in today’s story, Knowledge Map appears as a series of highlighted links embedded throughout the body of the article. When clicked or tapped, these links instantly surface more information. This additional content offers background and contextual information, as well as related links to other Post content on that subject, allowing users to get up to speed quickly, or dive deeper into a subject.”