Disney+, which is looking to catch up with some streaming and digital rivals in terms of daily engagement, is adding vertical videos to the service. From a report: The arrival of the new format later this year was one of several advertising-oriented announcements the company made Wednesday at its Tech + Data Showcase at CES in Las Vegas. Other new offerings include a new "brand impact" metric and a new video generation tool that helps advertisers create high-quality connected-TV-ready commercia…