Perfect Paragraph
Paragraphs are everywhere. In fact, at the high risk of stating the obvious, you are reading one now. Despite their ubiquity, we frequently neglect their presentation. This is a mistake. Here, we’ll refer to some time-honored typesetting conventions, with an emphasis on readability, and offer guidance on adapting them effectively for devices and screens.
… Good typography does justice to your words, and good wording does justice to your ideas. If readers are comfortable reading your type, then they will more likely be comfortable with what you are writing about.
The Perfect Paragraph vis Smashing Magazine