Or they’re both useful AND ridiculous: “I follow the Instagram accounts of all of the book clubs listed … for reading recommendations—and, of course, for their ‘bookish mood posts.’ It’s a colorful and easy way to keep a following; as users browse Instagram on the subway, we’ll scroll across a picture of Witherspoon reading next to the window, in perfect lighting. She just looks like she has a Nature Box subscription and separate moisturizers for morning and evening. Doesn’t that sound lovely?”