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Samsung unveiled the Galaxy S9 a day ahead of Mobile World Congress. (Photo: LLUIS GENE/AFP/Getty Images)

The entire cellular industry, from phone makers to chip providers to carriers, are in Barcelona this week for Mobile World Congress.

Why it matters: The industry is spread out across the globe and Mobile World Congress provides the one big opportunity for the entire industry together. Below are the key announcements so far:.

Monday

  • Sony, which has been losing ground in smartphones for several years now, introduced its latest models. It also debuted a pair of "open-ear" earbuds designed to help you hear sound from phones as well as the world around you. The Air Duo earbuds will go on sale in May for $280. (It had been testing and refining such a concept for a couple years now.)

Sunday

  • Samsung unveiled its Galaxy S9 and large-screen S9+. The devices are similar in appearance and price to last year's models but feature a bunch of new camera tricks. (See first look story and hands-on video here)
  • HMD, which sells phones under the Nokia brand, announced a slew of new smartphones ranging from the entry-level Nokia 1 to a high-end model dubbed the Nokia 8 Sirocco. It also continued a trend of updating classic cell phone designs with modern features and innards: This year's reboot was the 8110 slider phone.
  • Huawei launched a pair of new Android tablets along with the MateBook X Pro, an ultra-thin 14-inch laptop with an edge-to-edge screen and very Apple-sounding name. Another unique feature is the Webcam, which physically pops up from the keyboard only when requested by the user.
  • Sprint, Airbus, Delta, OneWeb and Indian carrier Bharti Airtel are teaming up on an effort to improve inflight Internet access.

Go deeper

20 mins ago - Health

The COVID booster vaccine discussion is far from over

Illustration: Sarah Grillo/Axios

An FDA advisory panel may have green-lighted a third shot of the Pfizer vaccine for a somewhat narrow slice of the population, but the messy process of figuring out who should get another shot of the vaccine — and when — has likely just begun.

Why it matters: Many vaccinated Americans are worried about their level of protection as the pandemic continues to rage. The piecemeal booster decision-making process may be the best way to keep pace with the science, but it's also at risk of becoming extremely confusing.

2 hours ago - World

UN chief urges U.S. and China to fix "dysfunctional relationship"

United Nations Secretary-General Antonio Guterres during a Sept. 13 press conference in Geneva. Photo: Fabrice COFFRINI / Coffini/AFP via Getty Images

United Nations chief Antonio Guterres raised concerns in an interview with AP, published Monday, of another Cold War between the U.S. and China.

Why it matters: Guterres made the comments ahead of this week's UN General Assembly in New York. Guterres told AP the U.S.-U.K. deal to provide nuclear-powered submarines to Australia "is just one small piece of a more complex puzzle ... this completely dysfunctional relationship between China and the United States."

Updated 3 hours ago - Politics & Policy

FBI says human remains found in Wyoming likely Gabby Petito

Gabby Petito. Photo: FBI

Human remains found in Teton County, Wyoming, are "consistent with the description of" missing 22-year-old Gabby Petito, FBI Denver official Charles Jones said at a news conference Sunday.

Details: The cause of death had yet to be determined, but Jones said: "Full forensic identification has not been completed to confirm 100% that we found Gabby, but her family has been notified of this discovery." Authorities said they're continuing the search for her fiancé, Brian Laundrie.