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The article is wrote for tech illiterate audience.

They will use EUV for the first factory (2024). And High-NA EUV (next gen from ASML) for the second factory in 2026.

4nm,3nm are just marketing terms, and means nothing, since they stopped naming nodes according to their actual size since 16nm.

I don't think a tech illiterate audience has a clue with 4nm or 3nm mean

i dunno, they can google it pretty easily

But words are just, like, socially-defined metaphysical constructs that only occasionally and coincidentally overlap with physical reality, man.

"Physical reality" is also a construct, philosophically saying there's only information.