6/

Obviously, beginners are NOT going to do this, but — some power-users may want this level of control.

There are different way this could be done, but — one way might be that power-users could use RDFa to explicitly specify what data from the HTML gets into the ActivityPub / ActivityStreams data.

Again, beginners and typical users would NOT do this.

But a power-user might want to.

Here is an example —

7/

If you are wondering what RDFa is —

You might be more familiar with OpenGraph.

ogp.me/

OpenGraph is usually the thing that causes "preview cards" to be showed for links shared on social-media.

OpenGraph is written in RDFa. Which, in practice, is some special HTML elements added to the page.

For example:

<meta property="og:image" content="example.com/img/preview.png" />

So what about ActivityPub‽ —

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