Netflix is upgrading its nascent ad-supported plan to support higher quality streaming than the current maximum 720p resolution, the company has announced. Netflix said that customers in Canada and Spain would see the 1080p resolution and provision for additional streams immediately, with the upgrades to roll out to all markets by the end of the month. Netflix said that customers in Canada and Spain would see the 1080p resolution and provision for additional streams immediately, with the upgrades to roll out to all markets by the end of the month