If I'm getting this right, any ads you'd see on a Roku would be hosted by the ap...

nzeid 47 days ago | parent | context | favorite | on: Roku files patent to inject ads via HDMI

If I'm getting this right, any ads you'd see on a Roku would be hosted by the apps themselves e.g. Youtube and such. So Roku wants a piece of the ad action and this is the only way to do it without the burden of providing any actual content.