It appears that instead of selling games, Microsoft's ZuneHD strategy is to place advertising in the apps before they load - like pre-mercials. These are full videos that take up space on your Zune Flash storage, not just your friendly Malware banner ads.
We can see this trend as being pretty annoying. Perhaps there will be a pay-opt-out? This one took up 30 seconds before playing a chess game. Thoughts anyone?
