- one skippable 5s ad
- two skippable 5s ads
- one unskippable 5s and one skippable 15s ads
- aforementioned or two 15s ads, one skippable
- two 15s unskippable ads
- removed the prerenderer 'skip' button to make it more difficult to immediately skip
- removed the ad amount indicator and precise length indicator (now just a bar) to psychologically drive people into sunk cost feelings
God knows what they're cooking up next.
And for large swathes of content, there is no alternative to YouTube.