Over the last few months, YouTube has made it clear that it's keen on helping its premium content partners monetize as effectively as possible — and it's obviously having some success doing it, with the number of monetized views increasing rapidly. Today the site is launching a new feature that will give those monetization rates another boost: YouTube Promoted Video campaigns will now be able to appear on a video's 'watch' page, turning the product into what's effectively an 'AdSense for YouTube'. For those that aren't famililar with the terminology YouTube uses to identify its pages and advertising products, here's what that means.