Unlike straight marks, curly quotes are usually more legible in paragraphs and long texts, and match the other characters better. They are more suitable for reading, and should be used when writing documents, articles, blog posts, etc.
Usage
It turns out that producing curly quotes on a computer is super easy. I’ve committed these simple shortcuts to memory.
Mac OSX
Alt + ]
produces an opening single curly quote (‘
)
Alt + Shift + ]
produces a closing single curly quote (’
)