A specialist of IT company Infopulse uses a computer mouse in his office in Kiev, Ukraine, June 13, 2017. Picture taken June 13, 2017. REUTERS/Gleb Garanich

A Lenovo logo is seen at the computer mouse in Kiev, Ukraine April 21, 2016. REUTERS/Gleb Garanich

Online hostess fan Wang Dong uses a computer mouse as he chats with a hostess, at home in Beijing, March 20, 2015. In China's online hostessing world, men find virtual company and the women can find riches. There are more than 10,000 hostesses on the internet site bobo.com, a live broadcasting web platform where anyone can record themselves singing, playing piano, dancing or just chatting. REUTERS/Jason Lee

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Online hostess Sun Xiaohou uses a computer mouse, next to her wig and cosmetic bag, as she gives a live broadcast in Beijing April 4, 2015. In China's online hostessing world, men find virtual company and the women can find riches. Sun is one of more than 10,000 hostesses on the internet site bobo.com, a live broadcasting web platform where anyone can record themselves singing, playing piano, dancing or just chatting. REUTERS/Jason Lee

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A woman hovers a mouse over the Google and European Union logos in Sarajevo, in this April 15, 2015 photo illustration. The European Union accused Google Inc on Wednesday of cheating competitors by distorting Internet search results in favour of its Google Shopping service and also launched an antitrust probe into its Android mobile operating system. This logo has been updated and is no longer in use. REUTERS/Dado Ruvic

A computer mouse is illuminated by a projection of a Chinese flag in this photo illustration October 1, 2013. REUTERS/Tim Wimborne (SINGAPORE - Tags: CRIME LAW BUSINESS TELECOMS)

A computer mouse is illuminated by a projection of a Chinese flag in this photo illustration October 1, 2013. REUTERS/Tim Wimborne (SINGAPORE - Tags: CRIME LAW BUSINESS TELECOMS)

A tablet with one of the pictures posted in the official North Korean Flickr account is seen in this photo illustration taken in Singapore April 5, 2013. North Korea's official Flickr and Twitter accounts were targeted by hackers on April 4. Some of the pictures in the Flickr account were replaced by a caricature of North Korea's leader Kim Jong-un as "Pigsy" from the classic Chinese novel "Journey to the West". REUTERS/Pablo Sanchez (SINGAPORE - Tags: POLITICS SCIENCE TECHNOLOGY TPX IMAGES OF THE DAY)

A cup of tea is seen on an office table at the Tregothnan Estate near Truro in Cornwall January 15, 2013. Tregothnan is bucking an historic trend by growing tea in England and exporting almost half of it abroad, including to tea-growing nations like China and India. Owned by a descendant of 19th century British Prime Minister Charles Grey, after whom the Earl Grey tea blend was named, the Tregothnan estate has been selling tea since 2005 and currently produces around 10 tonnes a year of tea and infusions. Picture taken January 15, 2013. REUTERS/Stefan Wermuth (BRITAIN - Tags: SOCIETY FOOD BUSINESS)

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An employee uses a computer mouse inside an office in Kiev April 24, 2012. REUTERS/Gleb Garanich (UKRAINE - Tags: SCIENCE TECHNOLOGY)

Monitors running Windows are pictured at the press center of the annual news conference of Bayer in Leverkusen February 28, 2012. This logo has been updated and is no longer in use. REUTERS/Ina Fassbender (GERMANY - Tags: BUSINESS SCIENCE TECHNOLOGY)

A woman uses a mallet to destroy a computer mouse and seashells on "Good Riddance Day" in New York December 28, 2011. The annual "Good Riddance Day" event invites people to shred messages that represent memories or events that they want to forget as they enter the new year. REUTERS/Lucas Jackson (UNITED STATES - Tags: SOCIETY)

Jonas Pfeil of the Berlin Technical University holds a throwable panoramic ball camera in Berlin, October 28, 2011. The device contains 36 mobile phone cameras that take a picture at the highest point of the ball's trajectory. A computer program subsequently merges all pictures to a 360 degree image that can be viewed on a monitor by dragging the mouse in the desired direction. Pfiel developed the ball camera as a university thesis project. REUTERS/Thomas Peter (GERMANY - Tags: SCIENCE TECHNOLOGY)

Jonas Pfeil of the Berlin Technical University holds a throwable panoramic ball camera in Berlin, October 28, 2011. The device contains 36 mobile phone cameras that take a picture at the highest point of the ball's trajectory. A computer program subsequently merges all pictures to a 360 degree image that can be viewed on a monitor by dragging the mouse in the desired direction. Pfiel developed the ball camera as a university thesis project. REUTERS/Thomas Peter (GERMANY - Tags: SCIENCE TECHNOLOGY)

Jonas Pfeil of the Berlin Technical University throws a panoramic ball camera near the Brandenburg Gate in Berlin, October 28, 2011. The device contains 36 mobile phone cameras that take a picture at the highest point of the ball's trajectory. A computer program subsequently merges all pictures to a 360 degree image that can be viewed on a monitor by dragging the mouse in the desired direction. Pfiel developed the ball camera as a university thesis project. REUTERS/Thomas Peter (GERMANY - Tags: SCIENCE TECHNOLOGY)

Jonas Pfeil of the Berlin Technical University throws a panoramic ball camera near the Brandenburg Gate in Berlin, October 28, 2011. The device contains 36 mobile phone cameras that take a picture at the highest point of the ball's trajectory. A computer program subsequently merges all pictures to a 360 degree image that can be viewed on a monitor by dragging the mouse in the desired direction. Pfiel developed the ball camera as a university thesis project. REUTERS/Thomas Peter (GERMANY - Tags: SCIENCE TECHNOLOGY)

Jonas Pfeil of the Berlin Technical University throws a panoramic ball camera near the Brandenburg Gate in Berlin, October 28, 2011. The device contains 36 mobile phone cameras that take a picture at the highest point of the ball's trajectory. A computer program subsequently merges all pictures to a 360 degree image that can be viewed on a monitor by dragging the mouse in the desired direction. Pfiel developed the ball camera as a university thesis project. REUTERS/Thomas Peter (GERMANY - Tags: SCIENCE TECHNOLOGY)

Jonas Pfeil of the Berlin Technical University throws a panoramic ball camera near the Brandenburg Gate in Berlin, October 28, 2011. The device contains 36 mobile phone cameras that take a picture at the highest point of the ball's trajectory. A computer program subsequently merges all pictures to a 360 degree image that can be viewed on a monitor by dragging the mouse in the desired direction. Pfiel developed the ball camera as a university thesis project. REUTERS/Thomas Peter (GERMANY - Tags: SCIENCE TECHNOLOGY)

Jonas Pfeil of the Berlin Technical University throws a panoramic ball camera near the Brandenburg Gate in Berlin, October 28, 2011. The device contains 36 mobile phone cameras that take a picture at the highest point of the ball's trajectory. A computer program subsequently merges all pictures to a 360 degree image that can be viewed on a monitor by dragging the mouse in the desired direction. Pfiel developed the ball camera as a university thesis project. REUTERS/Thomas Peter (GERMANY - Tags: SCIENCE TECHNOLOGY)

Instructor Dave McCarthy (C) helps former medical assistant Wayne Morrison (L), 53, and Charles Rettew, 46, (R) a laid off casino worker, work on their mouse skills during a basic computer class at the Foundation for an Independent Tomorrow (FIT) workforce development center in Las Vegas, Nevada October 20, 2011. The slot machines jangle away with the promise of sudden riches, but many visitors to a job fair at a second-tier casino here are hoping merely for a minimum-wage job to snap their losing streak. Photo taken October 20, 2011. REUTERS/Steve Marcus (UNITED STATES - Tags: POLITICS BUSINESS EMPLOYMENT)

Instructor Dave McCarthy (L) helps former medical assistant Wayne Morrison (C), 53, as Charles Rettew, 46, a laid off casino worker, works on his mouse skills during a basic computer class at the Foundation for an Independent Tomorrow (FIT) workforce development center in Las Vegas, Nevada October 20, 2011. The slot machines jangle away with the promise of sudden riches, but many visitors to a job fair at a second-tier casino here are hoping merely for a minimum-wage job to snap their losing streak. Photo taken October 20, 2011. REUTERS/Steve Marcus (UNITED STATES - Tags: POLITICS BUSINESS EMPLOYMENT)

Jinny Hanson, 64, a former postal worker, works on her mouse skills during a basic computer class at the Foundation for an Independent Tomorrow (FIT) workforce development center in Las Vegas, Nevada October 20, 2011. The slot machines jangle away with the promise of sudden riches, but many visitors to a job fair at a second-tier casino here are hoping merely for a minimum-wage job to snap their losing streak. Photo taken October 20, 2011. REUTERS/Steve Marcus (UNITED STATES - Tags: POLITICS BUSINESS EMPLOYMENT)

Indonesian domestic workers attend a computer class during their day off at the Sekolah Indonesia Singapura (Indonesian School) in Singapore December 12, 2010. Administered by the Indonesian Embassy, the school offers courses from high school diplomas to degree programs held in partnership with the Indonesian Open University for Indonesia migrant domestic workers on Sundays, the sole off day for the majority of such workers. More than 150 domestic workers are currently enrolled in open degree courses, while about 500 others also take part in a variety of enrichment courses ranging from sewing, computer classes and English. There are currently about 85,000 Indonesian domestic workers in Singapore, according to local media. December 18 marks the U.N International Migrants Day. REUTERS/Edgar Su (SINGAPORE - Tags: EMPLOYMENT BUSINESS EDUCATION)

Executive assistant Mario Rebellato, 68, works at his desk at Pimlico Plumbers in London July 29, 2010. Britain announced plans to scrap the fixed retirement age next year, saying it wanted to give people the chance to work beyond 65, but business leaders warned the move would create serious problems. Rebellato, who had been forced to leave a previous job when he turned 65, has been working at Pimlico Plumbers for the past 3 years. REUTERS/Suzanne Plunkett (BRITAIN - Tags: POLITICS SOCIETY)

A Facebook page is displayed on a computer screen in Brussels April 21, 2010. Over the past six years, social networking has been the Internet's stand-out phenomenon, linking up more than one billion people eager to exchange videos, pictures or last-minute birthday wishes. To match feature: INTERNET-SOCIALMEDIA/PRIVACY REUTERS/Thierry Roge (BELGIUM - Tags: SOCIETY BUSINESS)

Pupils of Berlin's Hausburg European school use a Microsoft Surface multi-touch computer in a digital classroom at the Microsoft stand during a presentation at the CeBIT exhibition centre in Hanover March 1, 2010. The new Microsoft Surface does not require a keyboard and mouse to operate, providing users with a new way of dealing with digital content. The world's largest IT fair CeBIT opens its doors on March 2 and runs through March 6. REUTERS/Fabrizio Bensch (GERMANY - Tags: SCI TECH BUSINESS)

Pupils of Berlin's Hausburg European school use a Microsoft Surface multi-touch computer in a digital classroom at the Microsoft stand during a presentation at the CeBIT exhibition centre in Hanover March 1, 2010. The new Microsoft Surface does not require a keyboard and mouse to operate, providing users with a new way of dealing with digital content. The world's largest IT fair CeBIT opens its doors on March 2 and runs through March 6. REUTERS/Fabrizio Bensch (GERMANY - Tags: SCI TECH BUSINESS)

A Palestinian bank employee works at the Islamic National Bank in Gaza City April 22, 2009. The first Hamas-licensed bank in the Gaza Strip has opened for business, a move that could help Palestinians in the impoverished territory bypass a financial blockade imposed by Israel and its Western allies. REUTERS/Mohammed Salem (GAZA POLITICS BUSINESS)

Logitech headquarters are pictured in Morges near Lausanne January 6, 2009. Logitech International, the world's largest computer mouse maker, said it plans to cut 15 percent of its workforce and withdrew its fiscal 2009 financial targets, citing deepening global recession. REUTERS/Denis Balibouse (SWITZERLAND)

Logitech headquarters are pictured in Morges near Lausanne January 6, 2009. Logitech International, the world's largest computer mouse maker, said it plans to cut 15 percent of its workforce and withdrew its fiscal 2009 financial targets, citing deepening global recession. REUTERS/Denis Balibouse (SWITZERLAND)

Logitech headquarters are pictured in Morges near Lausanne January 6, 2009. Logitech International, the world's largest computer mouse maker, said it plans to cut 15 percent of its workforce and withdrew its fiscal 2009 financial targets, citing deepening global recession. REUTERS/Denis Balibouse (SWITZERLAND)

Logitech headquarters are pictured in Morges near Lausanne January 6, 2009. Logitech International, the world's largest computer mouse maker, said it plans to cut 15 percent of its workforce and withdrew its fiscal 2009 financial targets, citing deepening global recession. REUTERS/Denis Balibouse (SWITZERLAND)

Logitech headquarters are pictured in Morges near Lausanne January 6, 2009. Logitech International, the world's largest computer mouse maker, said it plans to cut 15 percent of its workforce and withdrew its fiscal 2009 financial targets, citing deepening global recession. REUTERS/Denis Balibouse (SWITZERLAND)

Jay Jay, an American Shorthair, plays with a computer and mouse at a preview for the CFA-Iams Cat Championship in New York October 15, 2008. The cat show runs through the weekend at Madison Square Garden and includes show cats, trained cats and rescued cats looking for a home. REUTERS/Chip East (UNITED STATES)

A share trader reacts as she sits behind her trading terminals at the Frankfurt stock exchange, October 9, 2008. REUTERS/Kai Pfaffenbach(GERMANY)

Cooperative Bank's treasurer Caroline Mugadi works in the trading room in Kenya's capital Nairobi October 9, 2008. Kenya's shilling slipped against the dollar on Thursday, due to demand for the U.S. currency from the energy sector and as global financial market turmoil prompted investors to sell emerging market assets. REUTERS/Antony Njuguna (KENYA)

Macedonian Roza Mojsovska, 41, who suffers from a rare disease that heavily limits the movement of her limbs, works on a computer with a pen in her mouth while using her chin to use the mouse in Bansko, about 220 km (136 miles) east of the capital Skopje, May 23, 2008. Mojsovska discovered her artistic talents during the years of treatment in hospitals in the Balkans. REUTERS/Ognen Teofilovski(MACEDONIA)

Macedonian Roza Mojsovska, 41, who suffers from a rare disease that heavily limits the movement of her limbs, works on a computer with a pen in her mouth while using her chin to use the mouse in Bansko, about 220 km (136 miles) east of the capital Skopje, May 23, 2008. Mojsovska discovered her artistic talents during the years of treatment in hospitals in the Balkans. REUTERS/Ognen Teofilovski(MACEDONIA)

A woman presents an Anatomic Symbolic Mapper Engine (ASME) from IBM Healthcare, at the IBM exhibit at the upcoming CeBIT fair in Hanover March 3, 2008. According to IBM, the technology allows doctors to click with the computer mouse on a particular part of the avatar "body" to trigger a search of medical records to retrieve relevant information. The world's biggest IT fair CeBIT opens its doors to the public on March 4, and runs through to March 9, 2008. REUTERS/Hannibal Hanschke (GERMANY)

A worker checks the Anatomic Symbolic Mapper Engine (ASME), from IBM Healthcare, during preparations ahead of the CeBIT fair in Hanover March 2, 2008. According to IBM, the technology allows doctors to click with the computer mouse on a particular part of the avatar "body" to trigger a search of medical records to retrieve relevant information. REUTERS/Christian Charisius (GERMANY)

A computer mouse and keyboard package of Logitech is seen at a computer store in Lucerne January 10, 2008. Shares in Swiss-based computer peripherals maker Logitech International SA gained up to 12 percent on Thursday amid speculation Microsoft Corp would launch a takeover bid, traders said. REUTERS/Michael Buholzer (SWITZERLAND)

Zoe, a domestic shorthair cat, touches the mouse of a computer during a media preview for The Cat Fanciers' Association 5th Annual CFA-Iams Cat Championship in New York October 10, 2007. REUTERS/Shannon Stapleton (UNITED STATES) BEST QUALITY AVAILABLE

Zoe, a domestic shorthair cat, touches the mouse of a computer during a media preview for The Cat Fanciers' Association 5th Annual CFA-Iams Cat Championship in New York October 10, 2007. REUTERS/Shannon Stapleton (UNITED STATES) Also see image: GF2DWTCWWYAA

An employee poses in front of computer screen at an office in London August 28, 2007. Walk into any large office, and you will most likely hear the telltale computer bleeps of chat programs and online games, accompanied by furious mouse-clicking. Employees may seem busy, but many are wasting time on the Internet, or "cyberslacking". REUTERS/Simon Newman (UNITED KINGDOM) To match feature WORK-CYBERSLACKING/

Visitors play with a giant model of a computer mouse in the Genius-KYE Systems Corp. booth, during the last day of the annual 2007 Computex, the world's second-largest computer trade show, in Taipei June 9, 2007. REUTERS/ Pichi Chuang (TAIWAN)

A women arranges decorated computer accessories before the opening of the CeBIT computer fair in the northern German town of Hanover March 14, 2007.The world's largest computer and information technology fair CeBIT runs from March 15 to March 21, 2007. REUTERS/Christian Charisius (GERMANY)

Argentine President Nestor Kirchner (L) uses a computer mouse to start up the Caruachi hydroelectric plant as Venezuelan President Hugo Chavez (R) watches in Puerto Ordaz, Venezuela November 21, 2005. Chavez and Kirchner, left-leaning allies opposed to U.S. free trade ideas, held talks on political, economic and energy cooperation a week after Venezuela and Mexico withdrew their ambassadors in a conflict underscoring splits in Latin America over U.S. policies in the region. REUTERS/Daniel LeClair

A woman uses a $100 hand-cranked laptop computer in the exhibition area of the second United Nation's World Summit on the Information Society (WSIS) at the Kram Palexo in Tunis November 17, 2005. About the size of a textbook, the lime-green machines can set up their own wireless networks and operate in areas without a reliable electricity supply. The goal is to provide the machines free of charge to children in poor countries who cannot afford computers of their own, said Massachusetts Institute of Technology (MIT) Media Lab chairman Nicholas Negroponte. PP05110263 REUTERS/Francois Lenoir FR051109

A generic picture of a woman in an office using a computer mouse. OFFPO REUTERS/Catherine Benson CRB

A generic picture of a woman in an office using a computer mouse. OFFPO REUTERS/Catherine Benson CRB

A generic picture of a Microsoft computer mouse. OFFPO TECOM REUTERS/Catherine Benson CRB

A Darfon Electronics Corp. employee displays its computer mice at Computex, the world's second-largest computer trade show, in Taipei June 3, 2005. The computer mouse, which has become an indispensable part of any desktop computer, has begun to take to new surfaces and even to the air to meet the needs of a new generation of high-precision computers. REUTERS/Richard Chung TW/FA

A conventioneer tries out a wireless i-Pen during the Comdex computer
trade show in the Las Vegas Convention Center Monday, November 17,
2003. The pen works as a mouse or a "digital pen," inputting
handwriting or artwork, but unlike other pens it can be used on any
surface. A wired version is currently available for $99. A wireless
(radio frequency) version will be available in early 2004, a spokeman
said. REUTERS Las Vegas Sun/Steve Marcus

SM

A model presents a Mobile Assistant produced by the U.S. Xybernaut
technology company during a fashion show of intelligent wear, called
"i-Wear" at the the European science and technology week in Berlin
November 3, 2003. The Mobile Assistant consists of a portable computer,
head set with a mounted display, a camera, wrist-worn mini keyboard and
a mini mouse. REUTERS/Fabrizio Bensch REUTERS

FAB

DATA IT employee displays a gold-plated computer mouse at its unveiling
in Bangkok, January 15, 2003. The mouse weighs about 304 grams and
costs 200,000 Baht ( $4,651). REUTERS/Sukree Sukplang

SS

A model wears a Mobile Assistant Transferable Core (MATC) produced by U.S. Xybernaut technology company at the CeBIT computer fair in Hanover March 14, 2002. The MATC consists of a portable computer, view head with a mounted display, a camera, wrist-worn mini keyboard and a mini mouse. [Hundreds of thousands of visitors from all over the world are expected to get the latest information on the world's largest fair for telecommunications and information technology.]

A model wears a view head with a mounted display which is part of a Mobile Assistant Transferable Core (MATC) produced by U.S. Xybernaut technology company at the CeBIT computer fair in Hanover March 14, 2002. [The MATC consists of a portable computer, view head with an mounted display, a camera, wrist-worm mini keyboard and a mini mouse. Hundreds of thousands of visitors from all over the world are expected to get the latest information on the world's largest fair for telecommunications and information technology.]

A model wears a Mobile Assistant Transferable Core (MATC) produced by
U.S. Xybernaut technology company at the CeBIT computer fair in Hanover
March 14, 2002. The MATC consists of a portable computer, view head
with a mounted display, a camera, wrist-worn mini keyboard and a mini
mouse. Hundreds of thousands of visitors from all over the world are
expected to get the latest information on the world's largest fair for
telecommunications and information technology. REUTERS/Fabrizio Bensch
REUTERS

FAB/JOH

A model looks at a mini monitor screen attached on her glasses, which
is part of a Mobile Assistant Transferable Core (MATC) produced by U.S.
Xybernaut technology company at the CeBIT computer fair in Hanover
March 14, 2002. The MATC consists of a portable computer, view head
with an mounted display, a camera, wrist-worm mini keyboard and a mini
mouse. Hundreds of thousands of visitors from all over the world are
expected to get the latest information on the world's largest fair for
telecommunications and information technology. REUTERS/Fabrizio Bensch
REUTERS

FAB/JOH