Twitter has been sued in San Francisco federal court for conducting mass layoffs without providing the required notice of at least 60 days under the WARN Act (Josh Eidelson/Bloomberg)

Bloomberg:
Sources: Elon Musk plans to cut ~3,700 jobs at Twitter, half of the company’s workforce, starting November 4, and reverse its existing work-from-anywhere policy  —  Elon Musk plans to eliminate about 3,700 jobs at Twitter Inc., or half of the social media company’s workforce …

Alex Heath / The Verge:
Sources: at an all-hands, Elon Musk said Twitter is done with layoffs and actively recruiting for roles in engineering and sales; Twitter has 2,700+ employees  —  After purging nearly two-thirds of Twitter’s 7,500-person workforce in three weeks, Elon Musk is hiring again.

Kyle Wiggers / TechCrunch:
Some experts warn that the EU’s proposed AI Act would create a legal liability for general-purpose AI systems while simultaneously undermining their development  —  Proposed E.U. rules could limit the type of research that produces cutting-edge AI tools like GPT-3, experts warn in a new study.

Washington Post:
Source: Elon Musk plans to lay off 25% of Twitter’s workforce in the coming days, focusing on sales, product, engineering, legal, and trust and safety  —  The first round of layoffs, led by his lawyer Alex Spiro, will target 25 percent of the workforce  —  SAN FRANCISCO …

New York Times:
Sources: some internal estimates show that at least 1,200 full-time Twitter employees resigned on Thursday; Twitter had about 3,700 staff after mass layoffs  —  Mr. Musk sent emails on Friday asking to learn about Twitter’s underlying technology as key infrastructure teams have been decimated.

Faiz Siddiqui / Washington Post:
In an email to its employees, Twitter says that layoffs across its global workforce will begin on Friday to “place Twitter on a healthy path”  —  Employees said the layoffs came across teams, as Twitter broadly reduced its workforce.  Musk originally pitched investors on cutting Twitter’s staff up to 75 percent.