WALKMAN, in March 1979, at the request of Jing Shenda, the audio department modified the "Pressman", a small recorder used by reporters, into a smaller recorder, which was praised by many people. After the sound quality evaluation, under the leadership of Akio Morita, Sony launched the Walkman (Walkman) in July 1979. Akio Morita positioned the Walkman in the youth market, emphasized youthful vitality and fashion, and created a headphone culture. Sales began around the world in February 1980, and in November 1980, the non-standard Japanese-English brand "Walkman" began to be used globally. Until 1998, "Walkman" has sold more than 200 million worldwide. 50 million units. After Akio Morita was knighted in the UK in October 1992, the British media headline was "Get up, Sony Walkman Sir." 》Beginning in 1991, WalkMan began to launch the MiniDisc system and continues to be the first in the world. Beginning in 2000, the MP3 music format became increasingly popular, and low-cost competitors continued to launch flash drives that used cache memory to support MP3. MP3 gradually moved from personal computers to the Walkman market. WalkMan adopted a new trademark to symbolize the Internet. Generations of Internet, and launched the online music download service "PlanetMG". However, there is too little music and the "ATRAC3" format must be used, so market acceptance has always been low. Therefore, in 2000, Sony launched the "net-MD" series that supports MP3 and can be synchronized with a computer. After 2001, Apple Computer adopted a high-capacity iPod with a 1.8-inch hard drive and paired it with the "iTunes" online music store service. It was launched in the United States and around the world. Within 2 years, it immediately caused a sensation in the global Walkman market. In July 2004 Sony launched the "HI-MD" with a capacity of up to 1GB, but due to the late launch time, WALKMAN adhered to its own ATRAC file format, causing WALKMAN to gradually lose market share, causing Apple Computer's iPod digital player to become a hot seller around the world. Replaced the status of WALKMAN. Beginning in 2004, in order to regain the status of the Walkman in the past, "SonyConnect" online music was launched in the United States. In Japan, "Japan Sony Music" joined other music record companies to invest in the Mora online music website, and launched a cache memory , hard disk type "Net-Walkman" series. Beginning in the second quarter of 2005, subsidiary Sony Ericsson launched the "Walkman" co-branded music phone, and cooperated with Sony Boardman Music to launch the "Now Play" service. It successfully integrated Sony Group's electronic and entertainment business resources and established a global presence. A hot seller, Sony Ericsson's Walkman co-brand became the leading brand in music mobile phones. In the fourth quarter of 2007, Sony Corporation announced that the "Net-Walkman" series in overseas markets would no longer be synchronized through the "SonicStage" software. The "SonyConnect" online music store in the United States was closed, and "crackle" was launched in the United States and "crackle" in Japan. eyevio" online video website, the new "Net-Walkman" series integrates photo and video functions to become a comprehensive multimedia personal walkman.