The internal version number was advanced to 15.x in the 2008 edition to match the Norton AntiVirus release of the same year. Releases were named by year but have internal version numbers as well. The upgraded product retains the earlier product's subscription data. Users of the 2006 and later versions could upgrade to the replacement software without buying a new subscription. However, his pose later moved to the spine of the packaging, and then disappeared. trademark, was featured on Norton product packaging. Norton's crossed-arm pose, a registered U.S. Symantec continued the development of the acquired technologies, marketed under the name of 'Norton', with the tagline 'from Symantec'. Norton and his company developed various applications for DOS, including an antivirus. In August 1990, Symantec acquired Peter Norton Computing from Peter Norton.