Hacker claims theft of data from 700,000 Substack users; Company confirms breach

Substack confirmed a data breach after a hacker leaked data from nearly 700,000 users, including email addresses and phone numbers. Substack is an online platform for publishing email‑based newsletters and blogs, with built‑in paid subscriptions and basic analytics. It’s free to start; creators pay a fee on paid plans. In 2026 it’s estimated to serve […]

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How Anthropic’s ruthless efficiency comes in part from its mission-obsessed culture, which eliminates the friction that tends to slow things down at Big Tech (Parmy Olson/Bloomberg)

Parmy Olson / Bloomberg:
How Anthropic’s ruthless efficiency comes in part from its mission-obsessed culture, which eliminates the friction that tends to slow things down at Big Tech  —  Silicon Valley’s most ideologically driven comp…

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