On the British Library's website, identify the primary types of media content that are archived and made accessible within their 'Sound and Vision' collection. State these two main types of media.
Navigate to 'https://www.bl.uk/research/blogs/' Accept any cookie consent pop-ups by clicking 'I accept' Scroll down the page until the 'Sound and Vision' blog is visible. Locate the introductory description for the 'Sound and Vision' blog. Extract the two primary types of media content mentioned in this description.
Successfully navigate to the British Library blogs page. Successfully accept the cookie consent banner. Locate the 'Sound and Vision' blog entry. Identify 'millions of sound recordings' as one type of media content. Identify 'video material' as the second type of media content. State both 'millions of sound recordings' and 'video material' as the primary types of media content.