This is a fairly straightforward CNET article on YouTube's ad plans and the corresponding challenges. Why do I blog it then you may ask? It's interesting to track these UGC sites' efforts to make money after they've made such a splash with consumers and the media.
Here's my earlier, related post about MySpace. (The NY Times' article [reg. req'd] that prompted it is thematically similar to the CNET piece.)
Screenwerk 