It's a slide tool written by the Go team, mainly used by them to present at conferences. You'll also notice they've stopped using it as much recently. There was no talks in 2018, and only 1 in 2019. Previous years had many more.

List of old talks: https://talks.golang.org/

You can actually explore the entire source for the site here: https://github.com/golang/talks

The specific talk linked on this post is here: https://github.com/golang/talks/blob/master/content/2012/10t...

The tool to generate the HTML based on the linked .slide: https://godoc.org/golang.org/x/tools/cmd/present

What happened to PDFs?

Nothing. PDFs still exist; they haven't gone anywhere.

If you're asking why the Go team doesn't use PDFs for presentations, that's probably a question for the Go team themselves or one of the golang-* newsgroups on Google Groups.

GitHub issue: https://github.com/golang/go/issues/27026. Marked as [help wanted], so if you're a JS/CSS wizard, come send some CLs/MRs/PRs/what-do-they-call-patches-these-days.

Which phone/version are you using? Works on an iPhone if you tap the edges.

I managed to swipe right up to the end with no obvious issues on iPhone.

If you tap it acts weird until you swipe again. It’s certainly workable on Safari if you scroll sideways.

This article is from 2012 (according to its URL).

You might be able to get it, but first you'll have to convince Robert Griesemer, Rob Pike, and Ken Thompson. Any one of them gets a veto.

It's clunky but seems to work on Android Firefox.

Agreed, was impossible to view on mobile. I just switched to desktop though.