This article does not report reasoning part (i.e. why the growth rates are predicted as they are). So it is of limited value.

The problem of handpicking short-form YouTube videos to place advertise on is that of transaction cost. If they choose the automated (algorithm based) ad placing , the problem is the business practice and advertisers' mindset - the level of control over contents they would like to have must be low enough to choose and stick with that option.

Hosting video competition would work for some advertisers, but it could also be a very labor intensive process to review all the videos. They of course have an option to crowdsource the reviewing process, but then again, they have to be tolerant of unpleasant surprises.

Microsoft Silverlight rated ... bad.

I thought it is an honest account and somewhat of a curious thing that he wanted announcing and good navigations - old tv stuff, rather than being on the wild to find interesting stuff by himself. Some people say that freedom from mouthfeeding and lowest common denominator is good, and that is what the Net offers us. But what we need is at least some "web 2.0" or "community" features so that users collectively can navigate themselves and enjoy watching the show together. Need an announcer? Perhaps there are some among the viewers.