Question: Which two features were played up the person who had the biggest net worth in 2017?

Context paragraphs:
paragraph_text: In 1992, the product expanded to international markets: Hungary and Slovenia. It entered the United States via California in 1997 and the Middle East in 2000. In 2008, Forbes magazine listed both Chaleo and Mateschitz as the 250th richest people in the world with an estimated net worth of US $4 billion.
title: Red Bull
paragraph_text: Rinehart was Australia's wealthiest person from 2011 to 2015, according to both Forbes and the Financial Review Rich List. Her wealth peaked at around A$29 billion (US$18 billion) in 2012, at which point she overtook Christy Walton as the world's richest woman and was included on the Forbes list of The World's 100 Most Powerful Women. Rinehart's net worth dropped significantly over the following few years, due to a slowdown in the Australian mining sector, but her fortune remains immense.
title: Gina Rinehart
paragraph_text: Elon Reeve Musk FRS (/ ˈiːlɒn /; born June 28, 1971) is a business magnate, investor and engineer. He is the founder, CEO, and lead designer of SpaceX; co-founder, CEO, and product architect of Tesla, Inc.; co-founder and CEO of Neuralink; and co-founder of PayPal. In December 2016, he was ranked 21st on the Forbes list of The World's Most Powerful People. As of August 2018, he has a net worth of $20.2 billion and is listed by Forbes as the 46th - richest person in the world.
title: Elon Musk
paragraph_text: In 1992, the product expanded to international markets: Hungary and Slovenia. It entered the United States via California in 1997 and the Middle East in 2000. In 2008, Forbes magazine listed both Chaleo and Mateschitz as the 250th richest people in the world with an estimated net worth of US $4 billion.
title: Red Bull
paragraph_text: Tilman Joseph Fertitta (born June 25, 1957) is an American businessman and television personality. He is the chairman, CEO, and sole owner of Landry's, Inc., one of the largest restaurant corporations in the United States. In 2013, his net worth was estimated at $2.4 billion, placing him at No. 235 on the Forbes 400 list of the wealthiest Americans; Forbes calls him the ``World's Richest Restaurateur ''.
title: Tilman Fertitta
paragraph_text: On June 24, 1999, Quepasa went public on the Nasdaq stock market. By the end of the day, Quepasa was worth $272 million. The young company founder was featured in live interviews on CNN and CNBC. At age 26, Peterson had seen his net worth rise by $36 million.A year later, Quepasa was named the most popular online destination for United States Hispanics, ahead of competitors Starmedia and Yahoo! Espanol.
title: Jeffrey Peterson
paragraph_text: Ural Murtazovich Rakhimov (; , "Räximov Ural Mortaza ulı") (born December 13, 1961) is a Russian businessman of Bashkir ethnicity. Rakhimov is the 191st richest man in Russia with a net worth of US$500 million as of 2011.
title: Ural Rakhimov
paragraph_text: The financial position of the United States includes assets of at least $269.6 trillion (1576% of GDP) and debts of $145.8 trillion (852% of GDP) to produce a net worth of at least $123.8 trillion (723% of GDP) as of Q1 2014.
title: Financial position of the United States
paragraph_text: Susanne Klatten (born Susanne Hanna Ursula Quandt on 28 April 1962) is a German heiress, the daughter of Herbert and Johanna Quandt. As of June 2019, her net worth was US$18.8 billion, making her the richest woman in Germany and the 52nd richest person in the world.
title: Susanne Klatten
paragraph_text: In 2017, total world crude steel production was 1,691.2 million tonnes (Mt). The biggest steel producing country is currently China, which accounted for 49.2% of world steel production in 2017. In 2008, 2009, 2015 and 2016 output fell in the majority of steel - producing countries as a result of the global recession. In 2010 and 2017, it started to rise again.
title: List of countries by steel production
paragraph_text: Sir James Dyson OM CBE FRS FREng (born 2 May 1947) is a British inventor, industrial designer and founder of the Dyson company. He is best known as the inventor of the Dual Cyclone bagless vacuum cleaner, which works on the principle of cyclonic separation. According to the Sunday Times Rich List 2017, his net worth is £7.8 billion. He served as the Provost of the Royal College of Art from August 2011 to July 2017, and opened a new University on Dyson's Wiltshire Campus in September 2017.
title: James Dyson
paragraph_text: Dagmar Dolby is the widow of the surround sound pioneer Ray Dolby, who died in 2013. According to "Forbes", she has a net worth of $4.1 billion in January 2018.
title: Dagmar Dolby
paragraph_text: At the end of 2017, there were estimated to be just over 15 million US $millionaires or high - net - worth individual (HNWIs) in the world. The United States had the highest number of HNWIs (5,047,000) of any country, while New York City had the most HNWIs (393,500) among cities.
title: Millionaire
paragraph_text: John William Henry II (born September 13, 1949) is an American businessman and investor and the founder of John W. Henry & Company, an investment management firm. He is the principal owner of The Boston Globe, the Boston Red Sox and Liverpool Football Club and co-owner of Roush Fenway Racing. In March 2006, Boston Magazine estimated Henry's net worth at $1.1 billion but noted that his company had recently experienced difficulties. In November 2012, the company announced that it would stop managing clients' money by the end of the year, and Henry confirmed that total assets under the firm's management had fallen from $2.5 billion in 2006 to less than $100 million as of late 2012. As of July 2017, Forbes estimated his net worth to be $2.6 billion.
title: John W. Henry
paragraph_text: In 2018, there was a record of 2,208 people on the list, that included 259 newcomers mostly from China and the U.S.; there were 63 people under 40 and it had a record number of 256 women. The average net worth of the list came in at US $4.1 billion, up US $350 million from 2017. Added together, the total net worth for 2018's billionaires was US $9.1 trillion, up from US $7.67 trillion in 2017. As of 2018, Microsoft founder Bill Gates has topped the list 18 of the past 24 years, while Amazon founder Jeff Bezos is ranked at the top for the first time and he became the first to reach the $100 billion mark.
title: The World's Billionaires
paragraph_text: The release of Windows 98 was preceded by a notable press demonstration at COMDEX in April 1998. Microsoft CEO Bill Gates was highlighting the operating system's ease of use and enhanced support for Plug and Play (PnP). However, when presentation assistant Chris Capossela hot plugged a USB scanner in, the operating system crashed, displaying a Blue Screen of Death. Bill Gates remarked after derisive applause and cheering from the audience, "That must be why we're not shipping Windows 98 yet." Video footage of this event became a popular Internet phenomenon.
title: Windows 98
paragraph_text: No. Name Net worth (USD) Age Nationality Source (s) of wealth 7000100000000000000 ♠ 1 Gates, Bill Bill Gates $86.0 billion 61 United States Microsoft 7000200000000000000 ♠ 2 Buffett, Warren Warren Buffett $75.6 billion 86 United States Berkshire Hathaway 7000300000000000000 ♠ 3 Bezos, Jeff Jeff Bezos $72.8 billion 53 United States Amazon.com 7000400000000000000 ♠ 4 Ortega, Amancio Amancio Ortega $71.3 billion 80 Spain Inditex, Zara 7000500000000000000 ♠ 5 Zuckerberg, Mark Mark Zuckerberg $56.0 billion 32 United States Facebook 7000600000000000000 ♠ 6 Slim, Carlos Carlos Slim $54.5 billion 77 Mexico América Móvil, Grupo Carso 7000700000000000000 ♠ 7 Ellison, Larry Larry Ellison $52.2 billion 72 United States Oracle Corporation 7000800000000000000 ♠ 8 Koch, Charles Charles Koch $48.3 billion 81 United States Koch Industries 7000800000000000000 ♠ 8 Koch, David David Koch $48.3 billion 76 United States Koch Industries 7001100000000000000 ♠ 10 Bloomberg, Michael Michael Bloomberg $47.5 billion 75 United States Bloomberg L.P.
title: The World's Billionaires
paragraph_text: James Hemming died in Kingston Hospital, Kingston upon Thames, leaving an estate worth £1,615,879 net. Beneficiaries from his will included Oxfam, National Children's Bureau, Amnesty International UK, Friends of the Earth, World Wide Fund for Nature, Greenpeace, Cancer Research Campaign, British Humanist Association, Arthritis and Rheumatism Council, Unicef, and the Adlerian Society for Individual Psychology.
title: James Hemming
paragraph_text: In 2017, there was a record of 2,043 people on the list, which is the first time over 2,000 people were listed, that included 195 newcomers that included 76 from China and 25 from the U.S.; there were 56 people under 40 and it had a record of 227 women. The average net worth of the list came in at US $3.75 billion, down US $110 million from 2015. Added together, the total net worth for 2017's billionaires was US $7.67 trillion, up from US $7.1 trillion in 2015. As of 2017, Microsoft founder Bill Gates has topped the list 18 of the past 23 years.
title: The World's Billionaires
paragraph_text: Manoj Bhargava is an Indian American businessman and philanthropist. He is the founder and CEO of Innovations Ventures LLC (dba Living Essentials LLC), the company known for producing the 5 - hour Energy drink. By 2012 the brand had grown to do an estimated $1 billion in sales. In 2015, Bhargava pledged 99% of his net worth to improving the well - being of the world's less fortunate.
title: Manoj Bhargava

Reasoning steps:
who has the biggest net worth in the world 2017 >>>> Bill Gates
Which two features were played up by Bill Gates >>>> ease of use and enhanced support for Plug and Play

Answer: spans: ease of use and enhanced support for Plug and Play