This phenomenon is formally known as hindsight bias. Hindsight bias is when, after an event occurs, we feel we already knew what was going to happen. Hindsight bias is also sometimes called the I-knew-it-all-along phenomenon. This bias is a common occurrence for all of us.
Vertical writing is commonly used for novels, newspapers, comics, and many other forms of writing. Because it goes downwards, vertical writing is invariably used on the spines of books. Some newspapers combine the two forms, using the vertical format for most articles but including some written horizontally, especially for headlines.
Copy Editing Marks. A caret shows where an additional or corrected or substituted letter, word, or phrase is to be inserted in or above the line. A horizontal line delete mark is made through a phrase, sentence, or paragraph. A vertical line delete mark is made through a single letter or mark of punctuation. The letter or punctuation to be deleted may also be circled with the delete mark. A stroke through a capital letter means set it in lowercase.