2018-10-08 UTC
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Zegnat Flow chart is very interesting. I think one thing that is important to work into it is that a webmention is always from one URL to another URL. You can’t just click a button (you mention thumbs up and down) to then send a webmention. Clicking that button will have to create some sort of page with an accessible URL, it can then send a webmention from that URL to (in your case) the student.