As one who often deals with the writing of others I’m fond of humor as a way to avoid becoming depressed over the profound lack of good grammar in America. The discovery of a website called “The Oatmeal” has not only improved my state of mind, it also has improved my understanding of semi-colons: “The most feared punctuation on earth.” The comic is available as a poster; one that should probably be on the walls of high school classrooms around the country. (Note use of semi-colon in that sentence.)
Additonal comics/posters include an explanation of the word literally. “This comic will LITERALLY make butterflies explode out of your underpants.” (It did not; that appears to be the point.) Ditto the comic/poster containing ten words you really need to stop mispelling.
The site is not just about grammar; (another semicolon) there are comics about technology, cats, food, and animals. Some is admittedly a bit absurd. If you do click this link, lock the door and silence your phone–you will be busy for a while: