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On January 11, 2018, Facebook announced that it would change the News Feed to prioritize friends/family content and de-emphasize content from media companies.
On January 22, 2018, the company crossed $100 billion in market capitalization, becoming the largest digital media and entertainment company in the world, bigger than every traditional media company except for AT&T, Comcast and Disney and the 59th largest publicly traded company in the US S&P 500 Index.
On 29 January 2018, in his first annual message to the national legislature, he reduced his salary and other benefits by 25% with immediate effect. "With the assessment that I gave you earlier of the poor condition of our economy, I believe that it is appropriate that we should all make sacrifices in the interest of our country. According to Article 60 of the Constitution, the salaries of the President and the Vice President are established by the Legislature, and cannot be increased or reduced during the period for which they are elected. However, in view of the very rapidly deteriorating situation of the economy, I am informing you today, with immediate effect, that I will reduce my salary and benefits by 25% and give the proceeds back to the Consolidated Fund for allocation and appropriation as they see fit."
On 29 January 2018, Nokia introduced the ReefShark line of 5G chipsets, claiming that it triples bandwidth to 84 Gbit/s. It will be released by Q3 2018. It also incorporates artificial intelligence technologies from Bell Labs.
On January 31, 2018, Xerox announced that Fujifilm had agreed to acquire a 50.1% controlling stake in the company for US$6.1 billion, which was to be combined into their existing joint venture Fuji Xerox (having a value of $18 billion post-acquisition).
On 2 February 2018, Ardern travelled to Waitangi for the annual Waitangi Day commemoration; she stayed in Waitangi for five days, an unprecedented length.Ardern became the first female prime minister to speak from the top marae. Her visit was largely well-received by Māori leaders, with commentators noting a sharp contrast with the acrimonious responses received by several of her predecessors.
On February 14, 2018, a gunman opened fire with a semi-automatic rifle at Marjory Stoneman Douglas High School in Parkland, Florida, killing 17 people and injuring 17 others. Witnesses identified Nikolas Cruz, a 19-year-old former student at the school, as the assailant. Cruz fled the scene on foot by blending with other students. He was arrested without incident about an hour later in nearby Coral Springs.
On 21 February 2018, Weah made his first official visit outside Africa, to France, meeting French President Emmanuel Macron. The meeting focused on improving the relationship between France and Liberia and also sought French help for a sports development project in Africa.The meeting was also attended by Didier Drogba, Kylian Mbappé and FIFA president Gianni Infantino.
In the March 2018 Legislative Council by-elections for the four seats left vacant by the disqualified legislators over the oath-taking controversy, three candidates were disqualified by the Electoral Affairs Commission (EAC) returning officers, including Demosistō's Agnes Chow on the basis of that she "cannot possibly comply with the requirements of the relevant electoral laws, since advocating or promoting 'self-determination' is contrary to the content of the declaration that the law requires a candidate to make to uphold the Basic Law and pledge allegiance to the [Hong Kong Special Administrative Region]".
In a company public announcement on March 15, 2018, Parker said Trevor Edwards, a top Nike executive who was seen as a potential successor to the chief executive, was relinquishing his position as Nike's brand president and would retire in August.
With her improved ranking, Kenin was able to play primarily on the WTA Tour in 2018. She began the year by reaching her first WTA quarterfinal at the Auckland Open. After losing her first-round match at the Australian Open, Kenin produced good results at both Premier Mandatory events in March. She entered the top 100 by reaching the second round of the Indian Wells Open as a qualifier. She then qualified for and reached the third round of the Miami Open, where she upset No. 11 Daria Kasatkina.
Facebook customer Global Science Research sold information on over 87 million Facebook users to Cambridge Analytica, a political data analysis firm. According to The Guardian both Facebook and Cambridge Analytica threatened to sue the newspaper if it published the story. After publication, Facebook claimed that it had been "lied to". On March 23, 2018, The English High Court granted an application by the Information Commissioner's Office for a warrant to search Cambridge Analytica's London offices, ending a standoff between Facebook and the Information Commissioner over responsibility.
On March 26, the Federal Trade Commission opened an investigation into the matter. The controversy led Facebook to end its partnerships with data brokers who aid advertisers in targeting users.
On 31 March 2018, Immobile scored twice in Lazio's 6–2 home win over Benevento, his 36th goal of the season, breaking Giorgio Chinaglia's previous record for most goals scored by a Lazio player in a single season, by two goals.
On 3 April 2018, Philip was admitted to King Edward VII's Hospital for a planned hip replacement, which took place the next day. This came after the Duke missed the annual Maundy and Easter Sunday services. On 12 April, his daughter, Princess Anne, spent about 50 minutes in the hospital and afterward said her father was "on good form". He was discharged the following day.
Following Judge's Moro issuing of an arrest warrant for the ex-president, on April 6, 2018, Lula appealed to the UN"s Human Rights Committee to ask the government to prevent his arrest until he had exhausted all appeals.
On April 10 and April 11, 2018, Zuckerberg began testifying before the United States Senate Committee on Commerce, Science, and Transportation regarding the usage of personal data by Facebook in relation to the Facebook–Cambridge Analytica data breach.
On 17 April 2018, Brazilian senators who were members of the legislature's Human Rights Commission, the Argentinian Nobel Prize laureate, Adolfo Perez Esquivel and the former president of Uruguay, José Pepe Mujica were not allowed to visit Lula in prison to acquire information of violation of Lula’s human rights.
On 20 April 2018, Ardern attended the Commonwealth Heads of Government Meeting 2018 in London, where she was selected to deliver a toast to the Commonwealth at a state banquet of world leaders. She also had her first private audience with Queen Elizabeth II.
On 27 April 2018, it was announced that North Korea and South Korea agreed to talks to end the ongoing 65-year conflict. They committed themselves to the complete denuclearization of the Korean Peninsula.
On May 1, 2018, it was announced that Chairman Robert Keegan and CEO Jeff Jacobson and four other directors would resign as part of a deal with investors Carl Icahn and Darwin Deason, who had mounted a proxy fight to oppose the Fujifilm deal. On May 4, Xerox backed away from the deal after stipulations about ceasing litigation were not met.
On May 3, 2018, Xiaomi filed to go public on the Hong Kong Stock Exchange and aims to raise $10 billion in IPO which is expected to be the world's biggest IPO raise since 2014, Xiaomi also announced in partnership with 3 (telecommunications) to sell smartphones in the United Kingdom, Ireland, Austria, Denmark, and Sweden