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The letter was first reported on byThe New York Times.

A total of eight Microsoft apps integrated with Twitter in some shape or form.

X (formerly Twitter)

Spiro claims that Microsoft apps exceeded the rate limit of the Twitter API.

Spiro concluded with a request for a compliance audit by Microsoft for the eight Microsoft apps in question.

We will review these questions and respond appropriately.

Elon Musk and his Grok AI.

We look forward to continuing our long term partnership with the company."

Microsoft specified to the New York Times that it does not pay Twitter for data.

They trained illegally using Twitter data.

Satya Nadella with Sam Altman at a conference

The Twitter CEO then added “lawsuit time.”

It’s unclear if the most recent letter is connected to Musk’s tweet about training with Twitter data.

Sam Altman in a courtroom setting

Elon Musk attends �Exploring the New Frontiers of Innovation: Mark Read in Conversation with Elon Musk� session during the Cannes Lions International Festival Of Creativity 2024.

Sam Altman and Satya Nadella on stage

U.S. President Donald Trump holds up a chart while speaking during a “Make America Wealthy Again” trade announcement event in the Rose Garden at the White House on April 2, 2025 in Washington, DC.

Bill Gates holding up a copy of Windows XP operating system in New York�s Times Square.

Apple Store in Bangkok, Thailand

Cloud servers

Microsoft 50

Towerborne

Sam Altman, co-founder and CEO of OpenAI.

Monument Valley image

Diablo 4 Season 7 Season of the Witch

Marathon gameplay reveal

Rockstar Games' Grand Theft Auto VI trailer played on a screen in front of the game title.