- YouTube is testing server-side ad injection to counter ad blockers, integrating ads directly into videos to make them indistinguishable from the main content.
- This new method complicates ad blocking, including tools like SponsorBlock, which now face challenges in accurately identifying and skipping sponsored segments.
- The feature is currently in testing and not widely rolled out, with YouTube encouraging users to subscribe to YouTube Premium for an ad-free experience.
Yes, it is doable. But it also implies keeping track of individual sessions, to make sure you serve the right ad at the right time to the right people. Nothing impossible, but definitely more work to do per individual player, and on the scale of youtube this is quite a lot.