1) The document discusses the emergence of "vernacular video" as a new literacy, as video becomes both a medium for viewing and producing content by everyday people.
2) It explores how video editing has evolved from linear to non-linear processes as the medium has become more digitized and software has enabled more intuitive manipulation of video clips.
3) New genres of video are developing as the practices and standards for video production formats become more codified, similar to how written communication standardized over time. However, video still lacks a single comprehensive style guide.