A friend suggested I embed an RSVP reader in my blog posts, so I did a floating button in the corner of the page. It uses the Spritz heuristic for the focus letter (letter 1 for short words, up to letter 4 for long ones) but maps back through punctuation, and the timing isn't uniform either. I ...
Source: [Hacker News](https://news.ycombinator.com/item?id=49059389)