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Elon Musk has a penchant for the letter "X." He calls his son with the singer Grimes, whose actual name is a collection of letters and symbols, "X." He named the company he created to buy Twitter "X Holdings." His rocket company is, naturally, SpaceX.

Now he also apparently intends to morph Twitter into an "everything app" he calls X.

For months, the Tesla and SpaceX CEO has expressed interest in creating his own version of China's WeChat — a "super app" that does video chats, messaging, streaming and payments — for the rest of the world. At least, that is, once he's done buying Twitter after months of legal infighting over the $44 billion purchase agreement he signed in April.

There are just a few obstacles. First is that a Musk-owned Twitter wouldn't be the only global company in pursuit of this goal, and in fact would probably be playing catch-up with its rivals. Next is the question of whether anyone really wants a Twitter-based everything app— or any other super app — to begin with.

Start with the competition and consumer demand. Facebook parent Meta has spent years trying to make its flagship platform a destination for everything online, adding payments, games, shopping and even dating features to its social network. So far, it's had little success; nearly all of its revenue still comes from advertising.

Google, Snap, TikTok, Uber and others have also tried to jump on the super app bandwagon, expanding their offerings in an effort to become indispensable to people as they go about their day. None have set the world on fire so far, not least because people already have a number of apps at their disposal to handle shopping, communicating and payments.

"Old habits are hard to break, and people in the U.S. are used to using different apps for different activities," said Jasmine Enberg, principal analyst at Insider Intelligence. Enberg also notes that super apps would likely suck up more personal data at a time when trust in social platforms has deteriorated significantly.

Musk kicked off the latest round of speculation on Oct. 4, the day he reversed his attempts to get out of the deal and announced that he wanted to acquire Twitter after all. "Buying Twitter is an accelerant to creating X, the everything app," he tweeted without further explanation.

But he's provided at least a little more detail in the past. During Tesla's annual shareholder meeting in August, Musk told the crowd at a factory near Austin, Texas, that he thinks he's "got a good sense of where to point the engineering team with Twitter to make it radically better."

And he's dropped some strong hints that handling payments for goods and services would be a key part of the app. Musk said he has a "grander vision" for what X.com, an online bank he started early in his career that eventually became part of PayPal, could have been.

"Obviously that could be started from scratch, but I think Twitter would help accelerate that by three to five years," Musk said in August. "So it's kind of something that I thought would be quite useful for a long time. I know what to do."

But it's not clear that WeChat's success in China means the same idea would translate for a U.S. or global audience. WeChat usage is almost universal in China, where most people never had a computer at home and skipped straight to going online by mobile phone.

Operated by tech giant Tencent Holding Ltd., the platform has made itself a one-stop shop for payments and other services and is starting to compete in entertainment. It is also a platform for health code apps the public is required to use prevent the spread of the coronavirus.

China has 1 billion internet users, and nearly all of them go online by mobile phone, according to the government-sanctioned China Internet Network Information Center. Only 33% use desktop computers at all — and mostly in addition to mobile phones. Tencent says WeChat had 1.3 billion users worldwide as of the end of June.

Tencent and its main Chinese competitor, e-commerce giant Alibaba Group, aim to make apps that offer so many services that users can't easily switch to another app. They're not the only ones.

WeChat has added video calls and other message features as well as shopping, entertainment and other features. Government agencies use it to send out health, traffic and other announcements. WeChat's payment function, meanwhile, is so widely used that coffee shops, museums and some other businesses refuse cash and will take payment only through WeChat or the rival Ant app.

There is no comparable app in the U.S., despite tech companies' efforts.

It's worth remembering that Musk's grand visions don't always work out the way he appears to expect. Humans are nowhere near colonizing Mars and his promised fleet of robotaxis remains about as far from reality as the metaverse.

Twitter's user base is also tiny relative to those at its social-platform competitors. While Facebook, Instagram and TikTok all passed the 1 billion mark long ago, Twitter has about 240 million daily users.

"Musk would not only have to overcome the hurdle of convincing consumers to change how they behave online, but also that Twitter is the place to do it," Enberg said.

Barbara Ortutay is an AP technology writer. AP writer Joe McDonald contributed to this story.

Facebook parent Meta unveiled a high-end virtual reality headset Tuesday with the hope that people will soon be using it to work and play in the still-elusive place called the "metaverse."

The $1,500 Meta Quest Pro headset sports high-resolution sensors that let people see mixed virtual and augmented reality in full color, as well as eye tracking and so-called "natural facial expressions" that mimic the wearer's facial movements so their avatars appear natural when interacting with other avatars in virtual-reality environments.

Formerly known as Facebook, Meta is in the midst of a corporate transformation that it says will take years to complete. It wants to evolve from a provider of social platforms to a dominant power in a nascent virtual-reality construct called the metaverse — sort of like the internet brought to life, or at least rendered in 3D.

CEO Mark Zuckerberg has described the metaverse as an immersive virtual environment, a place people can virtually "enter" rather than just staring at it on a screen. The company is investing billions in its metaverse plans that will likely take years to pay off.

VR headsets are already popular with some gamers, but Meta knows that won't be enough to make the metaverse mainstream. As such, it's setting office — and home office — workers in its sights.

"Meta is positioning the new Meta Quest Pro headset as an alternative to using a laptop," said to Rolf Illenberger, founder and managing director of VRdirect, which builds VR environments for businesses. But he added that for businesses, operating in the virtual worlds of the metaverse is still "quite a stretch."

Meta also announced that its metaverse avatars will soon have legs — an important detail that's been missing since the avatars made their debut last year.

Barbara Ortutay is an AP technology writer

The Biden administration unveiled a set of far-reaching goals Tuesday aimed at averting harms caused by the rise of artificial intelligence systems, including guidelines for how to protect people's personal data and limit surveillance.

The Blueprint for an AI Bill of Rights notably does not set out specific enforcement actions, but instead is intended as a White House call to action for the U.S. government to safeguard digital and civil rights in an AI-fueled world, officials said.

"This is the Biden-Harris administration really saying that we need to work together, not only just across government, but across all sectors, to really put equity at the center and civil rights at the center of the ways that we make and use and govern technologies," said Alondra Nelson, deputy director for science and society at the White House Office of Science and Technology Policy. "We can and should expect better and demand better from our technologies."

The office said the white paper represents a major advance in the administration's agenda to hold technology companies accountable, and highlighted various federal agencies' commitments to weighing new rules and studying the specific impacts of AI technologies. The document emerged after a year-long consultation with more than two dozen different departments, and also incorporates feedback from civil society groups, technologists, industry researchers and tech companies including Palantir and Microsoft.

It puts forward five core principles that the White House says should be built into AI systems to limit the impacts of algorithmic bias, give users control over their data and ensure that automated systems are used safely and transparently.

The non-binding principles cite academic research, agency studies and news reports that have documented real-world harms from AI-powered tools, including facial recognition tools that contributed to wrongful arrests and an automated system that discriminated against loan seekers who attended a Historically Black College or University.

The white paper also said parents and social workers alike could benefit from knowing if child welfare agencies were using algorithms to help decide when families should be investigated for maltreatment.

Earlier this year, after the publication of an AP review of an algorithmic tool used in a Pennsylvania child welfare system, OSTP staffers reached out to sources quoted in the article to learn more, according to multiple people who participated in the call. AP's investigation found that the Allegheny County tool in its first years of operation showed a pattern of flagging a disproportionate number of Black children for a "mandatory" neglect investigation, when compared with white children.

In May, sources said Carnegie Mellon University researchers and staffers from the American Civil Liberties Union spoke with OSTP officials about child welfare agencies' use of algorithms. Nelson said protecting children from technology harms remains an area of concern.

"If a tool or an automated system is disproportionately harming a vulnerable community, there should be, one would hope, that there would be levers and opportunities to address that through some of the specific applications and prescriptive suggestions," said Nelson, who also serves as deputy assistant to President Joe Biden.

OSTP did not provide additional comment about the May meeting.

Still, because many AI-powered tools are developed, adopted or funded at the state and local level, the federal government has limited oversight regarding their use. The white paper makes no specific mention of how the Biden administration could influence specific policies at state or local levels, but a senior administration official said the administration was exploring how to align federal grants with AI guidance.

The white paper does not have power over tech companies that develop the tools nor does it include any new legislative proposals. Nelson said agencies would continue to use existing rules to prevent automated systems from unfairly disadvantaging people.

The white paper also did not specifically address AI-powered technologies funded through the Department of Justice, whose civil rights division separately has been examining algorithmic harms, bias and discrimination, Nelson said.

Tucked between the calls for greater oversight, the white paper also said when appropriately implemented, AI systems have the power to bring about lasting benefits to society, such as helping farmers grow food more efficiently or identifying diseases.

"Fueled by the power of American innovation, these tools hold the potential to redefine every part of our society and make life better for everyone. This important progress must not come at the price of civil rights or democratic values," the document said.

Garance Burke is an AP writer

Acres of water lilies will bloom on Wall Street this fall, at least digitally.

A massive, immersive exhibition celebrating French artist Claude Monet will make its U.S. debut in downtown New York starting in November, promising a multisensory experience that puts visitors as close to inside his iconic flower paintings as possible.

"Monet's Garden: The Immersive Experience" will splash the Impressionist pioneer's paintings across walls and floors of a spacious, one-time bank building and boost the effect by adding scents, music and narration in multiple language.

"To be able to address more than just two senses I think will immerse people a bit more," said Dr. Nepomuk Schessl, producer of the exhibition. "We certainly hope it's going to be the next big thing."

Visitors will be greeted by aromas of lavender and water lilies wafting in the air and learn much about Monet, who during his long life evolved from a gifted but slightly conventional landscape painter churning out realistic images to a painter whose feathery brushstrokes captured shifting light, atmosphere and movement.

"He was living right at the moment when photography was invented. So the whole world of art changed," said Schessl of Monet, who lived from 1840-1926. "Painting was not needed for documentary reasons anymore."

The exhibit will offer many of Monet's works, which vary from the rocky coastline of Normandy to haystacks and poplars, to the Japanese bridge and water lily-filled pond at his home in Giverny.

The exhibit begins Nov. 1 at the Seamen's Bank Building at 30 Wall Street and runs until Jan. 8. Tickets are on sale now, and Schessl hopes it will tour the U.S. in 2023.

The concept for "Monet's Garden" was developed by the Swiss creative lab Immersive Art AG in cooperation with Alegria Konzert GmbH. It has been shown in European cities such as Berlin, Zurich, Vienna, Hamburg and London.

In some ways, Schessl thinks a massive, 360-degree presentation of Monet's works fits with the artist's own intentions. After all, some of his paintings were intentionally massive.

"He wanted the spectator to completely immerse himself or herself into the painting," he said. "Maybe it's a little bit presumptuous, but I think that if he had our opportunity, he might have done it."

"Monet's Garden" comes a year after dueling traveling immersive exhibits of Van Gogh arrived in New York and also married his work with technology. Gustav Klimt's paintings have also been made immersive.

Schessl said technology — especially stronger processing power and high tech LCD laser projectors — make these immersive exhibits possible. He admits to checking out rival shows to ensure his team stays cutting edge, but he adheres to one rule.

"The content needs to be the star. The technology is our means to achieve something, but it never should only be the technology," he said.