Advocating for a Landscape Reading Format.
The original motivation came from "Advocating two-column landscape format for scholarly online articles".
However, because of typographical issues, among some other, I personally prefer to use the KOMA-scripts. Thus, I just wrote a LaTeX template that suited me better.
To compile this file you just need to run pdflatex on it as many
times as necessary. Also, note that the order of some of the packages is
important, for example, hyperref should be loaded before
bookmark. Lastly, in order to access and make use of the multimedia
file embedded in the PDF, you need to use the Adobe Acrobat Reader,
for it seems to be the only one that implemented such features.