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Sebastian Herrera

@sebasaherrera

Wall Street Journal technology reporter focused on Microsoft, AI and cloud computing. Tip? Reach me on Signal @ Seb.39 or sebastian.herrera@wsj.com. WSJ tip line here: https://www.wsj.com/tips

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25.05.2023
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Latest posts by Sebastian Herrera @sebasaherrera

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Amazon Tries Its Low-Cost Approach to Winning the AI Race Amazonโ€™s new artificial intelligence czar, Peter DeSantis, is a larger-than-life figure within the company.

Amazon has dominated e-commerce because of its low-price ethos. It now has a similar plan for AI development.

The low-cost approach worked for batteries and surge protectors. Why not Amazon Basics for AI?

Our story today on Amazon AI: www.wsj.com/tech/ai/amaz...

27.02.2026 16:32 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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AI Crushed Software Stocks. Now Itโ€™s Saving Them. Panic over a software-business disruption from AI appears to have subsided after Anthropic showcased its partnership with Salesforce and other companies.

This is the week that software investors finally calmed a bit over their AI fears.
www.wsj.com/finance/stoc...

27.02.2026 02:13 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Microsoftโ€™s Head of Gaming to Retire After 38 Years at Company Phil Spencer oversaw the acquisitions of Minecraft and Activision Blizzard, but has struggled to keep Xbox competitive with rivals.

Microsoft is shaking up its Gaming division after struggles in its Xbox unit. Phil Spencer, who has been with the company for 38 years and has led Gaming for the last 12, is leaving the company. www.wsj.com/tech/microso...

20.02.2026 22:54 ๐Ÿ‘ 2 ๐Ÿ” 1 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Hereโ€™s Where AI Is Tearing Through Corporate America The latest advances have companiesโ€”and the stock marketโ€”rethinking the software that handles jobs big and small.

What a week for the software industry.

www.wsj.com/tech/ai/ai-s...

07.02.2026 02:24 ๐Ÿ‘ 2 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Microsoftโ€™s Pivotal AI Product Is Running Into Big Problems After leaning on its partnership with OpenAI, Microsoft is playing catch-up in the chatbot race. But data shows that it is losing ground with users.

I've been thinking about Microsoft's AI strategy and how it's evolved in the 3+ years since ChatGPT came out. As I looked into it, all of my reporting led back to Copilot, the company's pivotal AI chatbot brand.

I found things aren't going great for Copilot. www.wsj.com/tech/ai/micr...

04.02.2026 02:15 ๐Ÿ‘ 2 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Microsoftโ€™s Earnings Surge Is Overshadowed by Data-Center Spending Higher than anticipated capital spending and disappointing gaming results from the holiday season weigh on shares.

Microsoft had a big earnings beat Wednesday, but those gains were overshadowed by larger than expected spending on data centers and disappointing gaming results from the holiday season. www.wsj.com/tech/ai/micr...

28.01.2026 22:17 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Microsoft Data-Center Pledges Seeking to Address Electricity Prices Draw Trumpโ€™s Praise The software company promised to pay higher utility bills for all of its U.S. data centers powering artificial-intelligence models, a pledge that drew praise from President Trump.

As Microsoft and other large tech companies build out massive data centers for training AI, many local residents have asked: Will my electricity bill go up?

Maybe not. www.wsj.com/tech/ai/trum...

13.01.2026 17:00 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Meta tolerates rampant ad fraud from China to safeguard billions in revenue A Reuters investigation reveals the owner of Facebook, Instagram and Whatsapp decided to accept high levels of fraudulent advertisements from China. Internal company documents show Meta wanted to mini...

To grow its ad biz in China, Meta has relied on ad agency partners given the power to create special enforcement-protected ad accounts and share them with resellers. The system produces so much fraud that Meta internally calls China its top โ€œscam exporting nation.โ€

www.reuters.com/investigatio...

15.12.2025 13:24 ๐Ÿ‘ 132 ๐Ÿ” 86 ๐Ÿ’ฌ 3 ๐Ÿ“Œ 12
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Trump Administration Plans to Boost Tax Break for Corporations The Treasury Department is preparing to release a corporate tax workaround that would deliver large tax savings to companies including Salesforce Inc. and Qualcomm Inc.

NEW: The Treasury Department is preparing to release a corporate tax workaround that would deliver big tax savings to companies including Salesforce and Qualcomm. The change would let companies deduct old R&D investments without triggering the 15% corporate minimum tax. Gift link:

11.12.2025 19:34 ๐Ÿ‘ 36 ๐Ÿ” 27 ๐Ÿ’ฌ 15 ๐Ÿ“Œ 7
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Oracle Shares Tumble as AI Spending Outruns Returns The companyโ€™s growing data-center outlays will take longer than investors would like to pay off.

Oracle didn't do much on Wednesday to ease investor concerns about its AI cloud business. www.wsj.com/business/ear...

11.12.2025 00:58 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 1
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Itโ€™s About Time: The Copilot Usage Report 2025 At MAI, we donโ€™t just build AI tools, we care about how real people interact with them.

microsoft.ai/news/its-abo...

10.12.2025 17:29 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
LinkedIn This link will take you to a page thatโ€™s not on LinkedIn

- As the year progressed, more people asked Copilot about topics like society and history.

Microsoft is spending tons of money to get its consumer chatbot to catch on with users. It's paying influencers like Timothรฉe Chalamet to attract people to Copilot.

10.12.2025 17:28 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

- On desktop computers, users relied on Copilot for productivity, while using it as a "conversational partner" on mobile.
- People like talking to chatbots about travel during the day. At night and early morning, they are more likely to bring up religion and philosophy.

10.12.2025 17:27 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

- โ€œHealth and Fitnessโ€ is the top use case. People asked Copilot about wellness tracking, health tips and daily routines. As we've reported, health is a top priority at Microsoft AI. lnkd.in/etnynT2W

10.12.2025 17:27 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

๐Ÿงต Microsoft this morning published a report analyzing 3.7 million chats on its consumer Copilot app. The findings give an insight into how people are turning to AI for every-day needs. Among the findings:

10.12.2025 17:27 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
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Exclusive | Inside Microsoftโ€™s New AI โ€˜Super Factoryโ€™ The tech giant is building out huge data centers among the most advanced in the world as it rushes to meet demand for AI computing power.

Microsoft is building out giant data centers among the most advanced in the world as it rushes to meet demand for AI computing power www.wsj.com/tech/ai/insi... via @WSJ

12.11.2025 16:33 ๐Ÿ‘ 3 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Microsoft Lays Out Ambitious AI Vision, Free From OpenAI The tech giant forms a team led by Microsoft AI chief Mustafa Suleyman to build top artificial-intelligence systems and distance itself from its longtime partner.

Microsoft AI Chief Executive Mustafa Suleyman offers a look at Microsoftโ€™s plans to develop AI self-sufficiency from OpenAI www.wsj.com/tech/ai/micr... via @WSJ

06.11.2025 14:22 ๐Ÿ‘ 3 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Microsoft to Double Data Center Footprint in Two Years The company is seeing more demand for its cloud computing and AI services than it can keep up with, a challenge that is supercharging profits.

Microsoft is seeing more demand for its cloud computing and AI services than it can keep up with, a challenge that is supercharging the companyโ€™s income www.wsj.com/tech/ai/micr... via @WSJ

29.10.2025 22:54 ๐Ÿ‘ 2 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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OpenAI Converts to Public-Benefit Corporation With Microsoft Taking 27% Stake OpenAIโ€™s for-profit arm finalized its conversion into a public-benefit corporation and reached a deal with Microsoft that will see the tech giant take a 27% stake.

NEW: OpenAIโ€™s for-profit arm finalized its conversion into a public-benefit corporation and reached a deal with Microsoft that will see the tech giant take a 27% stake in the AI startup www.wsj.com/tech/ai/open... via @WSJ

28.10.2025 15:25 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Exclusive | Inside the Tech CEO Campaign to Stop Trump From Sending Troops to San Francisco Sam Altman, Jensen Huang and Marc Benioff conferred with Daniel Lurie, the cityโ€™s mayor, on how to persuade the president not to deploy the National Guard.

NEW: President Trump was ready to send troops into San Francisco. The cityโ€™s business leaders needed a way to talk him out of itโ€”and they found it. www.wsj.com/politics/pol... via @WSJ

24.10.2025 21:24 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 1
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Meet Mico,ย Microsoftโ€™s AI version of Clippy Copilot now has its own virtual character for its voice mode.

From The Verge: Meet Mico, Microsoftโ€™s AI version of Clippy www.theverge.com/news/804106/...

23.10.2025 16:18 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

It also announced other updates to Copilot, including functions that enable easier collaboration between users, can recall past conversations in depth, connects to services on Google and OneDrive and provides voice-enabled tutoring. And it revealed Mico, the voice-enabled AI character.

23.10.2025 16:11 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
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Human-centered AIโ€ฏย  | Microsoft Copilot Blog Today,ย weโ€™reย dropping the Copilot Fall Release, a big step forward in making AI more personal, useful, and human-centered.โ€ฏย  Thereโ€™sย a lot of noise around AI. Headlines, hype, fear.โ€ฏโ€ฏย  At Microsoft AI...

Microsoft makes our scoop on the partnership with Harvard Health official: www.microsoft.com/en-us/micros...

23.10.2025 16:10 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
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The A-List Turned on Marc Benioff. Now Heโ€™s Sorry. The Salesforce CEO apologized for his comments on the National Guard.

Our weekend profile of Marc Benioff, who apologized today after starting a firestorm by saying the National Guard should come to San Francisco www.wsj.com/tech/marc-be...

18.10.2025 00:27 ๐Ÿ‘ 71 ๐Ÿ” 29 ๐Ÿ’ฌ 14 ๐Ÿ“Œ 6
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Exclusive | Marc Benioff Apologizes For National Guard Comments The Salesforce CEO had called for President Trump to send the National Guard to San Francisco.

Exclusive: Marc Benioff Apologizes For National Guard Comments www.wsj.com/politics/pol... via @WSJ

17.10.2025 19:58 ๐Ÿ‘ 2 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Exclusive | Microsoft Tries to Catch Up in AI With Healthcare Push, Harvard Deal The company is seeking to move away from dependence on its partner OpenAI and build a consumer base for its Copilot chatbot.

Scoop: Microsoft is working with Harvard Medical School for a Copilot chatbot update, seeks healthcare push and some tech independence from OpenAI: www.wsj.com/tech/ai/micr...

08.10.2025 23:06 ๐Ÿ‘ 6 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Microsoftโ€™s probe was triggered by a The Guardian article in August that detailed Israel storing millions of phone calls by Palestinians in Gaza on Microsoft cloud services and using the data to surveil citizens there.

25.09.2025 17:55 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Microsoft Cuts Back Work With Israelโ€™s Defense Ministry The software company found the ministry used cloud services to surveil Gaza citizens.

Big news: Microsoft is disabling certain services and subscriptions by Israelโ€™s defense ministry after the company found the ministry was using cloud services to surveil Gaza citizens www.wsj.com/tech/microso...

25.09.2025 17:04 ๐Ÿ‘ 13 ๐Ÿ” 6 ๐Ÿ’ฌ 2 ๐Ÿ“Œ 1
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Techโ€™s H-1B Debate: Is Trumpโ€™s New Fee a Solution or a Setback? Some in tech say charging $100,000 for visa applications will weed out bad candidates, while others expect it to drive hiring overseas.

The all-out panic in the tech industry has subsided. Now comes the debate: Will President Trumpโ€™s move to charge $100,000 to apply for a coveted H-1B visa help or hurt Silicon Valley? www.wsj.com/tech/h1b-vis... via @WSJ

23.09.2025 15:36 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Oracle Names Co-CEOs as Safra Catz Moves to Executive Vice Chair Clay Magouyrk, president of Oracleโ€™s cloud infrastructure business, and Oracle Industries President Mike Sicilia are now its chief executives.

Big news at Oracle this morning: The company has named two new CEOs, Clay Magouyrk and Mike Sicilia, who will replace longtime chief Safra Catz as she transitions to executive vice chair. www.wsj.com/business/c-s...

22.09.2025 17:50 ๐Ÿ‘ 2 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0