As technology moves forward, it often reaches back. By that I mean that advances in technology often allow us to access information from the past. As an example, the BBC produced a documentary on the 1972 Fischer Spassky match, containing present day interviews, as well as archival footage from the match (and elsewhere). Now while this information has always existed, it hasn't always been available (unless you worked in a film archive). However, with the advent of Youtube/Google/Internet etc this sort of information is now available at the click of a button.
If you wish to watch the documentary on your PC, just click on this link. Although I haven't watched it all, the bits that I have watched are interesting, if only to place faces to many well known chess names.
BTW Many thanks to Stephen Mugford for sending me the link.