Adobe is working with Yahoo to integrate Yahoo PPC ads in PDF content. While this isn’t a revolutionary move, it does open up new possibilities for those who publish and distribute newsletters, reports, and – oh yes – eBooks. Like Y! Search Marketing ads (Yahoo’s answer to Google’s Adsense), participation will be free to publishers, and revenue will be split between the publisher, Adobe, and Yahoo. So wipe the dust off of all the PLR stuff you have on your hard drive and get busy! More on this at CNN Money…