Regardless, here are some fun grammar-y things I've collected over the past few weeks:
English PSA: weary (tired) ≠ wary (cautious). Peek (look) ≠ peak (mountain) ≠ pique (irritation). Striped (pattern) ≠ stripped (no clothes).
— Amanda C. (@DragonflightGal) August 24, 2013
SERIOUSLY. Why is the difference between it's/its so hard to understand? It's = it is. The end.
— Lisa Butler (@elembee_) August 28, 2013
PSA: even in instances of gender uncertainty, you cannot use "their" as a singular possessive pronoun. #grammar
— Betsy (@btransatlantic) September 22, 2013
More for your reading pleasure:
6 Common Punctuation Mistakes that Drive Us Crazy: this misused apostrophe, the ubiquitous exclamation mark, the crazy comma, the misplaced semicolon, the quotation mark, and the blurring of text talk with real writing.
For detailed explanations of each of these (including one Seinfeld video), visit Lifehack.
I'm going to go re-read my post three or four times now, just in case.