Inside the nearly 8-year-long feud between Elon Musk and Mark Zuckerberg (2024)

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The Musk-Zuckerberg feud dates back to at least 2016, when a SpaceX rocket explosion destroyed a Facebook satellite.

In September 2016, SpaceX was testing its Falcon 9 rocket at a launch site in Cape Canaveral, Florida. Shortly after 9 a.m. the rocket exploded, destroying Facebook's AMOS-6 satellite, which was supposed to ride the rocket into space.

The satellite was part of Facebook's Internet.org project to deliver internet connectivity to the developing world, and it would have been Facebook's first satellite in orbit.

Zuckerberg seemed openly frustrated that the launch failed, writing on Facebook that he was "deeply disappointed to hear that SpaceX's launch failure destroyed our satellite that would have provided connectivity to so many entrepreneurs and everyone else across the continent."

Two years later, Musk addressed the failed launch in a post on Twitter to the reporter Kerry Flynn.

"Yeah, my fault for being an idiot," Musk said. "We did give them a free launch to make up for it, and I think they had some insurance."

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In 2017, Zuckerberg criticized Musk's attitude toward artificial intelligence, which seemed to get a rise out of Musk.

Duringa Facebook Live broadcast, a viewer asked Zuckerberg for his thoughts on Musk's anxieties around AI.

"I have pretty strong opinions on this," Zuckerberg said. "With AI especially, I'm really optimistic, and I think that people who are naysayers and try to drum up these doomsday scenarios ... I don't understand it. It's really negative, and in some ways, I actually think it's pretty irresponsible."

Musk, who has repeatedly called for regulation and caution when it comes to new AI technology, shot back on Twitter.

"I've talked to Mark about this," he said in response to a tweet about Zuckerberg's comments. "His understanding of the subject is limited."

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In 2018, following Facebook's Cambridge Analytica scandal, Musk made a public show of deleting SpaceX and Tesla's Facebook pages.

After the WhatsApp cofounder Brian Acton tweeted, "It is time. #deletefacebook," Musk responded, "What's Facebook?"

A fan responded to Musk's tweet asking whether he'd delete the SpaceX Facebook page, to which Musk responded, "I didn't realize there was one. Will do."

After another fan pointed out that Tesla had a Facebook page too, Musk tweeted that it "looks lame anyway."

Soon after, both the SpaceX and Tesla pages disappeared from Facebook. Musk said it wasn't a "political statement" and that he just found Facebook unsettling.

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Musk continued his campaign against Facebook in early 2020.

In response to a tweet from the actor Sacha Baron Cohen, which called for more regulation of Facebook, Musk urged people once again to delete the app.

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Last year, Musk criticized Zuckerberg's ironclad control of Meta.

The Tesla CEO compared Zuckerberg's control of Meta to a monarchy during an interview at the TED conference in Vancouver, British Columbia. (Facebook's parent company changed its name to Meta in October 2021.)

The interviewer, Chris Anderson, asked Musk whether his status as the richest man and one of Twitter's top influencers could pose a conflict of interest if he bought the platform. Musk used the opportunity to take a swipe at his rival.

"As for media sort of ownership, I mean, you've got Mark Zuckerberg owning Facebook and Instagram and WhatsApp, and with a share ownership structure that will have Mark Zuckerberg the 14th still controlling those entities," Musk said.

He went on to say that he "won't have that at Twitter."

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Tensions appeared to get even higher between the two CEOs after Musk bought Twitter.

In December, Meta first brainstormed ideas for a Twitter competitor in order to capitalize on Musk's chaotic Twitter takeover, according to a report from The New York Times. The company confirmed to Platformerin March that it's working on its own text-based social network, codenamed "Project 92."

Earlier this month, Meta's chief product officer, Chris Cox, appeared to mock Musk and Twitter by saying in an all-hands meeting that it the site will be "a platform that is sanely run."

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Musk hasn't taken kindly to the news that Zuckerberg is creating an X competitor.

The billionaire taunted Zuckerberg on X, formerly Twitter, about his rival text-based social media platform.

"I'm sure Earth can't wait to be exclusively under Zuck's thumb with no other options," Musk posted in June.

Later writing: "Zuck my" with a tongue emoji.

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Zuckerberg offered some rare praise for Musk and his plans for X in June 2023.

On an episode of "The Lex Fridman Podcast," the Meta CEO praised Musk's "push early on to make Twitter a lot leaner."

"I think that those were generally good changes," Zuckerberg said on the podcast.

When the Tesla CEO took over X, he more than halved the company's workforce. Zuckerberg has taken similar cost cutting measures at Meta, initiating a series of layoffs and dubbing 2023 the "year of efficiency."

The two men have reportedly been grumbling about each other in private for years.

People who have heard each man's private comments about the feud told The Wall Street Journal in a report published last June that Zuckerberg had long yearned for the public recognition Musk has received over the years as a tech pioneer and that Musk has fretted over Zuckerberg's early success with Facebook.

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The two men appeared to agree to settle some of their differences in a cage match last June.

Last June, Musk said he'd be "up for a cage match" with Zuckerberg.

The X owner brought up the idea after X users cautioned him to be careful dissing Zuckerberg since he knows jiu-jitsu.

It's unclear whether Musk was joking about the offer to fight the Meta CEO in a cage match. He said via X, "If this is real, I will do it," but later appeared to poke fun at his own fighting skills.

Zuckerberg appears to be taking the idea of a match seriously. After Musk first posted on X that he would be "up for a cage fight," the Meta CEO posted a screenshot of the post on Instagram with the words "Send me location," and a Meta spokesperson later told The Vergethat Zuckerberg is not joking about the offer.

Only time will tell if the two CEOs will duke it out in person.

Some people have already begun placing odds on the fight. Business Insider's Hasan Chowdhury reported that Musk's chances of beating Zuckerberg are slim. 39-year-old Zuckerberg has been trained in MMA fighting and even won some medals at a jiu-jitsu competition in May 2023.

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Zuckerberg said he was ready to fight since the day Musk challenged him.

Zuckerberg said in a Threads post in August 2023 that he was "ready to fight since the day Elon challenged" him.

"If he ever agrees on an actual date, you'll hear it from me," Zuckerberg said in the post. "Until then, please assume anything he says has not been agreed on."

Musk posted on X two days later that "Zuck is a chicken."

"He can't eat at chic fil a because that would be cannibalism," he wrote in a separate post on the same day.

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A day after Zuckerberg's 40th birthday, Musk revived the cage-match proposal in a post on X.

Musk's gift to Zuckerberg for his 40th birthday was a challenge to fight him, once again.

"If only Zuckerberg were as tough (sigh). I've offered to fight him any place, any time, any rules, but all I hear is crickets," Musk said in an X post on May 15.

Musk's post was in response to a satirical news story about a face-off between President Joe Biden and former President Donald Trump.

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Meta and xAI are now competing against each other to partner with Character.AI

Character.AI is a platform with AI celebrity personas and characters that act as chatbots. Meta has already added a similar feature to its platforms, with celebrity chatbots voiced by big names like Kendall Jenner and MrBeast available.

The Andreessen Horowitz-backed startup was valued at $1 billion last year and according to a Financial Times report from May 24, Meta and xAI have held exploratory talks with Character.AI about working together. No deal has been reached yet with either company, the report said.

Both companies are heavily investing in AI as the race to scale capabilities heats up. Both Meta and X offer AI chatbots on their social media platforms.

Zuckerberg has expressed plans to spend "aggressively" on AI and said Meta's mission is to build artificial general intelligence, a level of AI that could outperform humans.

Meanwhile, xAI announced on May 26 that it raised $6 billion in funding. Recent reports also indicate Musk is planning to build a supercomputer, the "gigafactory of compute," to train the latest version of Grok.

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Musk and Zuckerberg seem to have found some common ground.

Musk has repeatedly criticized OpenAI for its closed-source AI models, which he said goes against the original premise of the startup that he helped found. The billionaire even filed a lawsuit against the company, but abruptly dropped the case a few months later in June.

Now, Zuckerberg seems to be following the same line of criticism in an interview with Bloomberg's Emily Chang, published on July 23.

"It's a somewhat ironic thing to have an organization that's named OpenAI but is sort of the leader in building closed AI models, and it's not necessarily bad, but it's kind of a little funny," the Meta CEOsaid.

But Zuckerberg wasn't coming from a place of sole criticism. He also mentioned that OpenAI's CEO Sam Altman "deserves a lot of credit" for handling the scrutiny he's received so "gracefully." The Meta CEO said that Altman is handling it better than he did.

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Musk offered a rare compliment to Zuckerberg after years of combative remarks.

Musk offered a rare compliment to Zuckerberg on Tuesday after Meta released its latest AI model, Llama 3.1. The model has been said by the company to outperform OpenAI's GPT-4o at some tasks, and it's open source and publicly available for free.

"It is impressive and Zuck does deserve credit for open-sourcing," Musk said on July 23.

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Make no mistake — the two haven't quite exited their feud yet.

While Musk and Zuckerberg seem to agree on open-sourced AI models, Musk isn't passing up an opportunity to fight the Meta CEO.

Just as Musk seemed to be easing up on his feud with Zuckerberg, the billionaire told a Fox reporter that he's open to fighting, according to a report from The Verge published Wednesday. Musk also mentioned he would do it on Zuckerberg's terms.

In response to a post on Threads with the report from The Verge, Zuckerberg wrote "Are we really doing this again?"