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Interesting idea, and the implementation looks good. However, is a document heatmap actually an effective indicator of where my attention is? My mouse does not usually follow my eyes but stays in place as I use the scroll ring.

Am I the only one who just leaves my mouse in place?




On webpages I often highlight text as I read it. It helps to keep track in case I get distracted for a second.

But I almost never do for PDFs as selection is frequently quite wonky or impossible, so it has never become a habit.

Also, I'm curious why one would want to know the attention heatmap of a PDF? Like what's the use-cases? I looked at the webpage but I still don't get it. Then again I'm not in sales so...


> On webpages I often highlight text as I read it.

I do that too, and it's really annoying to read medium.com because it thinks I'm trying to leave a comment every time I highlight and double click a region of text.


>My mouse does not usually follow my eyes

I can't wait until websites starts requesting camera permissions so they can perform eye tracking on visitors.


It may be indicative at the page level at least. Cool idea.




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