Do you know the Difference? Or better asked: Do you like to watch commercials - or do you prefer to listen to, or read a story, get useful information, watch a video or slideshow, or be otherwise entertained? Authors are in a perfect position, they already have content and they don't need to hire someone to write for them. Everything they write, other than their novels, are in a way content marketing: Social Media posts, blog posts, guest blogs, short stories ...
Dot Com Infoway – Digital Marketing Agency
More about book marketing on a shoestring: