YouTube have
introduced a text-only mode for April Fool's Day - TEXTp. If you view a video, where the choice of quality - 360p, 480p, etc. - is, you can choose TEXTp. Here is what I look like in ASCII characters giving my cryptography talk (click to enlarge):

Here is a link to my video in text mode, for as long as this feature is available: "
Substitution ciphers: Ancient, Renaissance in TEXTp".
UPDATE: I've just remembered that the videos I did for my PGCHE are clearer, so here is a screenshot from
the first of these, "PGCHE Portfolio Introduction", in TEXTp:

UPDATE 2: Following the removal of the feature, see the next post, "
TEXTp lives!", for a video of TEXTp in action.