It was fitting that words occasionally fell short while Lockwood was discussing her new novel, “No One Is Talking About This,” out next week from Riverhead. The book follows an unnamed narrator who has found modest popularity on the internet — or “the portal,” as Lockwood refers to it in the book — yet is unnerved by the uniformity of language and thought she encounters, like a school of fish that intuitively changes direction together. “Why were we all writing like this now? Because a new kind of connection had to be made,” the narrator thinks. “Or because, and this was more frightening, it was the way the portal wrote.”