 This policy is also why Canadian viewers do not see American advertisements during the Super Bowl, even when tuning into one of the many American networks carried on Canadian televisions.The CRTC also regulates radio in Canada, including community radio, where the CRTC requires that at least 15% of each station's output must be locally produced spoken work content.In a major May 1999 decision on "New Media", the CRTC held that under the Broadcasting Act the CRTC had jurisdiction over certain content communicated over the Internet including audio and video, but excluding content that is primarily alphanumeric such as emails and most webpages.