Left/right arrows to go backwards and forwards through the slides; space also works for going to the next slide. There's like 20 slides and it's kinda rambling-ish, so it might not be the most exciting thing to read.
hmm, there was somebody who wrote big long blog posts with proper grammar, and then comments and smaller direct discussion and stuff with this stupid i don't care grammar. objectively the best option is probably to simply write using proper capitalization and such, but like, i don't really care about that much right now. dunno