Technology

FILE - In this Oct. 31, 2019 file photo, a Fiat logo is pictured on a car in Bayonne, southwestern France. Unionized workers at Fiat Chrysler have voted overwhelmingly to approve a new four-year contract with the company. The ratification means the United Auto Workers union has settled with all three Detroit automakers. General Motors workers ratified an agreement in October after a 40-day strike, while Ford Workers settled in November. About 71% of Fiat Chrysler workers voted in favor of the deal, the UAW said Wednesday, Dec. 11, 2019. The union has about 47,000 members at Fiat Chrysler. (AP Photo/Bob Edme, File)

In this April 16, 2019, photo, attendees take a close look at cars from BYD at the Auto Shanghai 2019 show in Shanghai. China's electric car sales are stalling following the end of multibillion-dollar subsidies that made it the biggest market for the technology. Communist leaders want to make China a leader in electric cars but are shifting the burden to the industry by imposing mandatory sales quotas (AP Photo/Ng Han Guan)

People watch a TV screen showing a file image of a ground test of North Korea's rocket engine during a news program at the Seoul Railway Station in Seoul, South Korea, Monday, Dec. 9, 2019. North Korea said Sunday it carried out a "very important test" at its long-range rocket launch site that it reportedly rebuilt after having partially dismantled it after entering denuclearization talks with the United States last year. The sign reads: "Very important test." (AP Photo/Ahn Young-joon)

People watch a TV news program reporting North Korea's announcement with a file footage of North Korean leader Kim Jong Un, at the Seoul Railway Station in Seoul, South Korea, Sunday, Dec. 8, 2019. North Korea said Sunday it carried out a “very important test” at its long-range rocket launch site that U.S. and South Korean officials said the North had partially dismantled as part of denuclearization steps. The letters, top left, read "North. Very important test." (AP Photo/Lee Jin-man)

Democratic presidential hopeful Bernie Sanders speaks to a congregation at Reid Chapel AME Church on Sunday, Dec. 1, 2019, in Columbia, S.C. (AP Photo/Meg Kinnard)

Santa walks the floor of the New York Stock Exchange before joining Marine Toys for Tots opening bell ceremonies, Thursday, Dec. 5, 2019. Stocks are opening slightly higher on Wall Street led by technology companies and banks. (AP Photo/Richard Drew)

FILE - In this April 8, 2019, file photo, a woman browses her smartphone in Philadelphia. Accidental cuts and bruises to the face, head and neck from cellphones are sending increasing numbers of Americans to the emergency room, according to a study that estimates 76,000 cases over nine years. (AP Photo/Matt Rourke, File)