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Twitter: Jack Dorsey is stepping down from his second term as CEO of Twitter

Twitter: Jack Dorsey is stepping down from his second term as CEO of Twitter

This week Jack Dorsey resigned from his role as CEO of Twitter, marking the end of his second spell running the social media company (the first ended in 2008). Dorsey will hand the reins to Parag Agrawal, who was the company's Chief Technology Officer.

Under Dorsey's most recent reign, Twitter made substantial progress — almost doubling its daily active user base since 2017. But, as always, some investors wanted more, and didn't like that Dorsey was also the CEO of $100bn fintech company Square, or that he wanted to run both companies during a 3-6 month move to Africa.

Leading the charge against Dorsey was Elliott Management, an activist hedge fund, which last year bought a big chunk of Twitter stock (4% of the company), and agitated to have Dorsey removed as CEO. Elliott and others hoped that progress for Twitter would be swifter under new, more focused, management.

In the end, the two sides reached a deal, and Jack stayed on for another 18 months, until this week when he joined the great resignation.

‍**What's next for Twitter?**‍

Agrawal will have a wish-list of things to get done in the next 5 years, but in 280-characters-or-less the task is simple: to continue growing the user base, monetize those users more effectively and make it into as few "big tech is bad" headlines as possible.

That last part is probably the hardest, but the second goal has proved tricky also. Twitter's successfully rejuvenated its growth, but despite a lot of effort and investment it just can't squeeze out the revenue from its users that Facebook is able to. Twitter makes around $2 a month per active daily user (estimated). Facebook makes almost $5.

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Alibaba launches new data center powered by 10,000 of its custom chips

Alibaba announced a new data center in southern China, in a partnership with China Telecom powered by its own Zhenwu chips. The new data center will contain 10,000 of the homegrown chips, and may scale up to 100,000 over time. The data center will be used for both inference and training.

China is racing to build out its own sovereign AI capabilities, and is making significant progress.

While Chinese companies and labs have released many competitive AI models, such as Alibaba’s Qwen, Z.ai’s new GLM-5.1, and the disruptive DeepSeek R1, China is still behind the US when it comes to AI chips, and it has struggled to get hold of the latest Nvidia GPUs due to US export controls.

China is racing to build out its own sovereign AI capabilities, and is making significant progress.

While Chinese companies and labs have released many competitive AI models, such as Alibaba’s Qwen, Z.ai’s new GLM-5.1, and the disruptive DeepSeek R1, China is still behind the US when it comes to AI chips, and it has struggled to get hold of the latest Nvidia GPUs due to US export controls.

Psychic Boy Wearing Head Band

Anthropic: Our new Mythos model is so powerful, we can’t release it

The unusual announcement of the model highlights its alarming new cybersecurity capabilities.

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Bloomberg: Apple’s foldable iPhone is on track for September after all

Scratch that... Actually, Apple’s foldable iPhone may be on track to debut later this year after all.

Hours after a report from Nikkei Asia said Apple was encountering engineering problems with the novel design that could lead to a delayed launch, Bloomberg’s Mark Gurman reports that sources within Apple say the premium foldable iPhone is still on track to launch in September, alongside the iPhone 18 Pro and iPhone 18 Max.

Shares of Apple had plunged more than 5% on word of a possible delay, but pared losses on Gurman’s story.

According to the report, the foldable iPhone will cost more than $2,000 and will be a key part of the company’s plan to revamp the iPhone lineup.

Shares of Apple had plunged more than 5% on word of a possible delay, but pared losses on Gurman’s story.

According to the report, the foldable iPhone will cost more than $2,000 and will be a key part of the company’s plan to revamp the iPhone lineup.

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Bezos poaches xAI cofounder from OpenAI for his Project Prometheus startup

The competition among AI startups for poaching top talent has a new contender.

The Financial Times reports that xAI cofounder Kyle Kosic has been poached from OpenAI by Amazon founder Jeff Bezos for his new AI industrial manufacturing startup, Project Prometheus.

Kosic was one of the original 11 cofounders of xAI and worked on the Colossus data center. Kosic left xAI in 2024 to return to OpenAI. Elon Musk is the last xAI cofounder still working for the company.

According to the report, Kosic will work on AI infrastructure in his new role at Project Prometheus, which has reportedly hired hundreds of staff in San Francisco, London, and Zurich.

Kosic was one of the original 11 cofounders of xAI and worked on the Colossus data center. Kosic left xAI in 2024 to return to OpenAI. Elon Musk is the last xAI cofounder still working for the company.

According to the report, Kosic will work on AI infrastructure in his new role at Project Prometheus, which has reportedly hired hundreds of staff in San Francisco, London, and Zurich.

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