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Blu First Time...Pehli Baar

The DVD (common abbreviation for Digital Video Disc or Digital Versatile Disc)[8][9] is a digital optical disc data storage format. It was invented and developed in 1995 and first released on November 1, 1996, in Japan. The medium can store any kind of digital data and has been widely used for video programs (watched using DVD players) or formerly for storing software and other computer files as well. DVDs offer significantly higher storage capacity than compact discs (CD) while having the same dimensions. A standard DVD can store up to 4.7 GB of storage, while variants can store up to a maximum of 17.08 GB.[10]

blu First Time...Pehli Baar

Released in 1987, CD Video used analog video encoding on optical discs matching the established standard 120 mm (4.7 in) size of audio CDs. Video CD (VCD) became one of the first formats for distributing digitally encoded films in this format, in 1993.[15] In the same year, two new optical disc storage formats were being developed. One was the Multimedia Compact Disc (MMCD), backed by Philips and Sony (developers of the CD and CD-i), and the other was the Super Density (SD) disc, supported by Toshiba, Time Warner, Matsushita Electric, Hitachi, Mitsubishi Electric, Pioneer, Thomson, and JVC. By the time of the press launches for both formats in January 1995, the MMCD nomenclature had been dropped, and Philips and Sony were referring to their format as Digital Video Disc (DVD).[16][17]

In November 1995, Samsung announced it would start mass-producing DVDs by September 1996.[23] The format launched on November 1, 1996, in Japan, mostly with music video releases. The first major releases from Warner Home Video arrived on December 20, 1996, with four titles being available.[b][4] The format's release in the U.S. was delayed multiple times, from August 1996,[24] to October 1996,[25] November 1996,[26] before finally settling on early 1997.[27] Players began to be produced domestically that winter, with March 24, 1997 as the U.S. launch date of the format proper in seven test markets.[c][6][28] Approximately 32 titles were available on launch day, mainly from the Warner, MGM, and New Line libraries.[29][d] However, the launch was planned for the following day (March 25), leading to a distribution change with retailers and studios to prevent similar violations of breaking the street date.[30] The nationwide rollout for the format happened on August 22, 1997.[31][better source needed]

DTS announced in late 1997 that they would be coming onto the format. The sound system company revealed details in a November 1997 online interview, and clarified it would release discs in early 1998.[32] However, this date would be pushed back several times before finally releasing their first titles at the 1999 Consumer Electronics Show.[33]

Immediately following the formal adoption of a unified standard for DVD, two of the four leading video game console companies (Sega and The 3DO Company) said they already had plans to design a gaming console with DVDs as the source medium.[37] Sony stated at the time that they had no plans to use DVD in their gaming systems, despite being one of the developers of the DVD format and eventually the first company to actually release a DVD-based console.[37] Game consoles such as the PlayStation 2, Xbox, and Xbox 360 use DVDs as their source medium for games and other software. Contemporary games for Windows were also distributed on DVD. Early DVDs were mastered using DLT tape,[38] but using DVD-R DL or +R DL eventually became common.[39] TV DVD combos, combining a standard definition CRT TV or an HD flat panel TV with a DVD mechanism under the CRT or on the back of the flat panel, and VCR/DVD combos were also available for purchase.[40]

For consumers, DVD soon replaced VHS as the favored choice for home movie releases. In the year 2001, DVD players outsold VCRs for the first time in the United States. At this time 1 in 4 American households owned a DVD player.[41] By 2007, about 80% of Americans owned a DVD player, a figure that had surpassed VCRs and was also higher than personal computers or cable television.[42]

Read and write speeds for the first DVD drives and players were 1,385 kB/s (1,353 KiB/s); this speed is usually called "1". More recent models, at 18 or 20, have 18 or 20 times that speed. Note that for CD drives, 1 means 153.6 kB/s (150 KiB/s), about one-ninth as swift.[64][65]

DVD-Video is a standard for distributing video/audio content on DVD media. The format went on sale in Japan on November 1, 1996,[4] in the United States on March 24, 1997, to line up with the 69th Academy Awards that day;[6] in Canada, Central America, and Indonesia later in 1997, and in Europe, Asia, Australia, and Africa in 1998. DVD-Video became the dominant form of home video distribution in Japan when it first went on sale on November 1, 1996, but it shared the market for home video distribution in the United States for several years; it was June 15, 2003, when weekly DVD-Video in the United States rentals began outnumbering weekly VHS cassette rentals.[80]DVD-Video is still the dominant form of home video distribution worldwide except for in Japan where it was surpassed by Blu-ray Disc when Blu-ray first went on sale in Japan on March 31, 2006.[citation needed]

DVDs are also facing competition from video on demand services.[88][89][90][91] With increasing numbers of homes having high speed Internet connections, many people now have the option to either rent or buy video from an online service, and view it by streaming it directly from that service's servers, meaning they no longer need any form of permanent storage media for video at all. By 2017, digital streaming services had overtaken the sales of DVDs and Blu-rays for the first time.[92]

The Tesla Model 3 became the world's all-time best-selling electric car in early 2020,[10] and in June 2021 became the first electric car to pass 1 million global sales.[11] Together with other emerging automotive technologies such as autonomous driving, connected vehicles and shared mobility, electric cars form a future mobility vision called Autonomous, Connected, Electric and Shared (ACES) Mobility.[12]

In 1897, electric cars first found commercial use as taxis in Britain and in the United States. In London, Walter Bersey's electric cabs were the first self-propelled vehicles for hire at a time when cabs were horse-drawn.[25] In New York City, a fleet of twelve hansom cabs and one brougham, based on the design of the Electrobat II, formed part of a project funded in part by the Electric Storage Battery Company of Philadelphia.[26] During the 20th century, the main manufacturers of electric vehicles in the United States included Anthony Electric, Baker, Columbia, Anderson, Edison, Riker, Milburn, Bailey Electric, and Detroit Electric. Their electric vehicles were quieter than gasoline-powered ones, and did not require gear changes.[27][28]

California electric-auto maker Tesla Motors began development in 2004 of what would become the Tesla Roadster, first delivered to customers in 2008. The Roadster was the first highway-legal all-electric car to use lithium-ion battery cells, and the first production all-electric car to travel more than 320 km (200 miles) per charge.[35]

Better Place, a venture-backed company based in Palo Alto, California, but steered from Israel, developed and sold battery charging and battery swapping services for electric cars. The company was publicly launched on 29 October 2007 and announced deployment of electric vehicle networks in Israel, Denmark and Hawaii in 2008 and 2009. The company planned to deploy the infrastructure on a country-by-country basis. In January 2008, Better Place announced a memorandum of understanding with Renault-Nissan to build the world's first Electric Recharge Grid Operator (ERGO) model for Israel. Under the agreement, Better Place would build the electric recharge grid and Renault-Nissan would provide the electric vehicles. Better Place filed for bankruptcy in Israel in May 2013. The company's financial difficulties were caused by mismanagement, wasteful efforts to establish toeholds and run pilots in too many countries, the high investment required to develop the charging and swapping infrastructure, and a market penetration far lower than originally predicted.[36]

The Mitsubishi i-MiEV, launched in 2009 in Japan, was the first highway-legal series production electric car,[37] and also the first all-electric car to sell more than 10,000 units. Several months later, the Nissan Leaf, launched in 2010, surpassed the i MiEV as the best selling all-electric car at that time.[38]

Some activists and journalists have raised concerns over the perceived lack of impact of electric cars in solving the climate change crisis[77] compared to other, less popularized methods.[78] These concerns have largely centered around the existence of less carbon-intensive and more efficient forms of transportation such as active mobility,[79] mass transit and e-scooters and the continuation of a system designed for cars first.[80]

Tesla became the world's leading electric vehicle manufacturer in December 2019.[157][158] Its Model S was the world's top selling plug-in electric car in 2015 and 2016,[159][160] and its Model 3 has been the world's best selling plug-in electric car for four consecutive years, from 2018 to 2021.[6][161][162][163] The Tesla Model 3 surpassed the Leaf in early 2020 to become the world's cumulative best selling electric car.[10] Tesla produced its 1 millionth electric car in March 2020, becoming the first auto manufacturer to do so,[164] and in June 2021, the Model 3 became the first electric car to pass 1 million sales.[11] Tesla has been listed as the world's top selling plug-in electric car manufacturer, both as a brand and by automotive group for four years running, from 2018 to 2021.[6][165][166][167][161] At the end of 2021, Tesla's global cumulative sales since 2012 totaled 2.3 million units,[168] with 936,222 of those delivered in 2021.[169]

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