The magazine is wrong. Use a coarse grind, or at least a medium grind
(if using medium, shorten the steeping time).
Not only do you use coarser grinds for brewing methods with longer
steeping times (such as the press), a fine grind can make the plunger
difficult to depress.
<http://www.thecoffeefaq.com/3brewingtechniques.html#frenchpress>
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