generally more poorly than its competitors in the early years of its release but managed to overtake the Xbox 360 in global sales later on. It later introduced the PlayStation Move, an accessory that allows players to control video games using motion gestures. Sony extended the brand to the portable games market in 2004 with the PlayStation Portable (PSP). The console has sold reasonably, but has taken a second place to a rival handheld, the Nintendo DS. Sony developed the Universal Media Disc (UMD) optical disc medium for use on the PlayStation Portable. Early on, the format was used for movies, but it has since lost major studio support. Sony released a disc-less version of its PlayStation Portable, the PSP Go, in 2009. The company went on to release its second portable video game system, PlayStation Vita, in 2011 and 2012. Sony launched its fourth console, the PlayStation 4, on 15 November 2013, which as of 31 December 2017 has sold 73.6 million units globally. On 18 March 2014, at GDC, president of SCE Worldwide Studios Shuhei Yoshida announced their new virtual reality technology dubbed Project Morpheus, and later named PlayStation VR, for PlayStation 4. The headset brought VR gaming and non-gaming software to the company's console. According to a report released by Houston-based patent consulting firm LexInnova in May 2015, Sony is leading the virtual reality patent race. According to the firm's analysis of nearly 12,000 patents or patent applications, Sony has 366 virtual reality patents or patent applications. PlayStation VR was released worldwide on 13 October 2016. On 31 March 2019, the successor to the PlayStation 4 was announced and on 12 November 2020, the PlayStation 5 was released in North America, Australia, New Zealand, Japan, South Korea, and Singapore. The console was launched in Indonesia on 22 January 2021. Upon completion of the fiscal quarter, Sony sold 4.5 million PlayStation 5 consoles, keeping pace with the best-selling console of all time, the PlayStation 2. Pictures and Music Sony Entertainment has two divisions: Sony Pictures Entertainment, Sony Music Group (Sony Music Entertainment, Sony Music Publishing). Sony USA previously owned and operated Sony Trans Com: a technology business that provided in-flight entertainment programming as well as video and audio playback equipment for the airline industry. Sony had purchased the business from Sundstrand Corp. in 1989 and subsequently sold it to Rockwell Collins in 2000. In 2012, Sony rolled most