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Difficulty

Difficulty across 3 linked articles from 2 sources, with context, storylines, and connected coverage.

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Apr 21, 2026 at 19:30

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Difficulty appears across 3 recent stories from 2 active sources, making this page a fast way to follow new developments, related topics, and the wider story graph.

Apr 21, 2026 at 19:30

Report: Meta will train AI agents by tracking employees' mouse, keyboard use

Meta will begin tracking the mouse movements, clicks, and keystrokes of its US employees to generate high-quality training data for future AI agents, Reuters...

Apr 11, 2026 at 13:22

Bitcoin miners are losing on every coin produced as difficulty drops

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Apr 10, 2026 at 16:45

The difficulty of making sure your website is broken

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Apr 21, 2026 at 19:30 Ars Technica

Report: Meta will train AI agents by tracking employees' mouse, keyboard use

Move highlights the difficulty of finding high-quality interactive training data.
Apr 11, 2026 at 13:22 Hacker News

Bitcoin miners are losing on every coin produced as difficulty drops

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Apr 10, 2026 at 16:45 Hacker News

The difficulty of making sure your website is broken

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