A cornerstone of any good content marketing strategy is useful, valuable content that your readers will make good use of. With seemingly worthless content always being published, you’ll be posting fluff that nobody will ever care about.
The major factor is here is the audience. If your content is useless to them, then it’s not useful at all.
Keeping this in mind, Julia McCoy wrote a post on Search Engine Journal that shows other guidelines for creating useful content that people will want to read and share.