While it is not a google app, google has been struggling to find ways to "monetize" the apps and content. If you've been watching you see this with ads that pop up more and more along with what you noted.
It's a TV and not a PC and worthy of a discussion about monetizing the content.
Dailymotion app on smart hub of Samsung LED 3D smart TV sucks!! It doesnt allow you to use keyboard, it automatically plays promo videos as soon you will open click on DailyMotion icon.
Any way to fix this?