The presentation you are looking at here is based on the reveal.js framework.
To see the presentation simply open the file index.html in a browser, and then use the cursor keys to navigate left/right between slides, and, where possible, up/down.
The bottom right corner of each slide shows the available directions, and the page number of the slide currently shown.
The code-assets directory contains files important to the presentation while not being a direct part of it. These are
The border.tcl script performing page extractions on a set of jpeg pictures.
The same script run in -debug mode generates presentations, like this one, with the exception of the code-assets directory and the READMEs.
The notes directory contains the static files which were integrated into this presentation during its generation.
The log of the border.tcl run creating this presentations, and the associated phase timing statistics.
See code-assets/README.* for more information.