Facebook adds 5 divs, 9 spans and 30 CSS classes to every post in the timeline

'Facebook adds 5 divs, 9 spans and 30 css classes to every single post in the timeline to make it more difficult to identify and block 'Sponsored' posts, oh my.'

Wondering what else is going on here, other calls etc

If there is a dark pattern to create, you can be sure they've tried it.

Less blockable and less intrusive. FB ads are way less intrusive than others.