and on Chromecast on May 14, 2015. In addition to providing full-length episodes of CBS programs, the service allows live programming streams of local CBS affiliates in 124 markets reaching 75% of the United States. CBS All Access offers the most recent episodes of the network's shows the day after their original broadcast, as well as complete back catalogs of most of its current series and a wide selection of episodes of classic series from the CBS Television Distribution and ViacomCBS Domestic Media Networks program library, to subscribers of the service. CBS All Access also carries behind-the-scenes features from CBS programs and special events. Original programs expected to air on CBS All Access include a new Star Trek series, a spin-off of The Good Wife, and an online version of Big Brother. In December 2018, the service was launched in Australia under the name 10 All Access, due to its affiliation with CBS-owned free to air broadcaster Network 10. Due to local programming rights, not all content is shared with its US counterpart, whilst the Australian version also features numerous full seasons of local Network 10 shows, all commercial-free. It was announced in September 2020 that the service would be rebranded as Paramount+ in early 2021, and would feature content from the wider ViacomCBS library following the re-merger between CBS and Viacom. The name was also extended to international markets and services such as 10 All Access. The rebrand to Paramount+ took place on March 4, 2021. CBS HD CBS's master feed is transmitted in 1080i high definition, the native resolution format for CBS Corporation's television properties. However, seven of its affiliates transmit the network's programming in 720p HD, while seven others carry the network feed in 480i standard definition either due to technical considerations for affiliates of other major networks that carry CBS programming on a digital subchannel or because a primary feed CBS affiliate has not yet upgraded their transmission equipment to allow content to be presented in HD. A small number of CBS stations and affiliates are also currently broadcasting at 1080p via an ATSC 3.0 multiplex station to simulcast a station's programing such as WNCN through WRDC in Durham, North Carolina, WTVF through WUXP-TV in Nashville, and KLAS-TV through KVCW in Las Vegas, Nevada. CBS began its conversion to high definition with the launch of its simulcast feed CBS HD in September 1998, at the start