_tinymachine

(In edited writing, “all of a sudden” is far more common than “all of the sudden”. https://www.merriam-webster.com/grammar/usage-of-all-of-a-su...)

Apart from the Usage section of the readme, there’s no mention of how annotations are only stored locally, via localStorage, it looks like? Might be helpful to state that explicitly in the readme and on the demo site. Nifty tool — thanks for sharing!