SYDNEY, AUSTRALIA - APRIL 23: Chairman and CEO of Microsoft Satya Nadella speaks on stage during the Microsoft AI Tour at TikTok Entertainment Centre on April 23, 2026 in Sydney, Australia. Nadella, making his first visit to Australia since 2019, addressed business leaders, developers, and government representatives at the Microsoft AI Tour in Sydney on April 23, outlining a vision for Australia to become a critical hub for AI innovation rather than simply a consumer market for Microsoft's products. (Photo by George Chan/Getty Images) *** BESTPIX ***

SYDNEY, AUSTRALIA - APRIL 23: Chairman and CEO of Microsoft Satya Nadella speaks on stage during the Microsoft AI Tour at TikTok Entertainment Centre on April 23, 2026 in Sydney, Australia. Nadella, making his first visit to Australia since 2019, addressed business leaders, developers, and government representatives at the Microsoft AI Tour in Sydney on April 23, outlining a vision for Australia to become a critical hub for AI innovation rather than simply a consumer market for Microsoft's products. (Photo by George Chan/Getty Images)

(FILES) Soviet television showed, on April 30, 1986, this picture of the Chernobyl plant on which a half-destroyed building could be seen, but commentary said there had been "no destruction, nor gigentic fires nor thousands of casualties". Ukraine will on April 30, 2026 mark the 40th anniversary of the Chernobyl accident, the worst civilian nuclear disaster in history. The risks of new radioactive releases still remain today, as the site is threatened by Russian strikes after it invaded the neighbour four years ago. (Photo by AFP via Getty Images)

SYDNEY, AUSTRALIA - APRIL 23: Chairman and CEO of Microsoft Satya Nadella speaks on stage during the Microsoft AI Tour at TikTok Entertainment Centre on April 23, 2026 in Sydney, Australia. Nadella, making his first visit to Australia since 2019, addressed business leaders, developers, and government representatives at the Microsoft AI Tour in Sydney on April 23, outlining a vision for Australia to become a critical hub for AI innovation rather than simply a consumer market for Microsoft's products. (Photo by George Chan/Getty Images)

TOPSHOT - French pop and jazz singer Julie Pietri performs during a tribute concert entitled "Au cur de Crans" for the victims of the New Year's Eve bar fire in Crans-Montana, at the Salle Métropole in Lausanne on April 22, 2026. The fire that broke out in the bar "Le Constellation" during New Year celebrations, claimed 41 lives, most of them teenagers, and injured 115 others. (Photo by Fabrice COFFRINI / AFP via Getty Images)

TOPSHOT - Former Hollywood film producer Harvey Weinstein appears in Manhattan Supreme Court during his retrial in New York City on April 22, 2026. The retrial of Weinstein on a rape charge on which a jury was previously deadlocked began on April 14, although he will remain imprisoned for other offenses regardless of the verdict. Weinstein is accused of the third-degree rape of Jessica Mann, who starred in the 2015 romantic commedy "This Isn't Funny." (Photo by ANGELA WEISS / POOL / AFP via Getty Images)

SYDNEY, AUSTRALIA - APRIL 23: Silhouette of Chairman and CEO of Microsoft Satya Nadella during his keynote speech at the Microsoft AI Tour at TikTok Entertainment Centre on April 23, 2026 in Sydney, Australia. Nadella, making his first visit to Australia since 2019, addressed business leaders, developers, and government representatives at the Microsoft AI Tour in Sydney on April 23, outlining a vision for Australia to become a critical hub for AI innovation rather than simply a consumer market for Microsoft's products. (Photo by George Chan/Getty Images)

SYDNEY, AUSTRALIA - APRIL 23: Silhouette of Chairman and CEO of Microsoft Satya Nadella during his keynote speech at the Microsoft AI Tour at TikTok Entertainment Centre on April 23, 2026 in Sydney, Australia. Nadella, making his first visit to Australia since 2019, addressed business leaders, developers, and government representatives at the Microsoft AI Tour in Sydney on April 23, outlining a vision for Australia to become a critical hub for AI innovation rather than simply a consumer market for Microsoft's products. (Photo by George Chan/Getty Images)