Internet English Resources - Grammarly.com 2

We’ve all been there—forgetting or missing a critical word to get your thoughts across clearly. But we often neglect those words and phrases that can strengthen our intellectual display. This Buzzfeed list of words and phrases will definitely teach you something new.

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15 Words Invented by Shakespeare
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Muriel,
You're right:
The correct sentence is "x items or fewer"
but many people say "x items or less".
Krystyna said "both are correct" before
recognizing "fewer" should be the only correct sentence.
Krystyna says "both mean the same";
she doesn't see another meaning to "less".