Turn to something you read frequently—a blog, a sports or news magazine, or a friend’s page on Twitter—and look closely at the sentences. What seems distinctive about them? Do they vary in terms of...

Turn to something you read frequently—a blog, a sports or news magazine, or a friend’s page on Twitter—and look closely at the sentences. What seems distinctive about them? Do they vary in terms of their length and the way that they begin? If so, how? Do they use parallel structures or other structural devices to good effect? How easy to read are they, and what accounts for that ease?