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By October, 14 percent of the company's ad revenue came from mobile ads, making it into a small but nicely profitable piece of Mark Zuckerberg's growing empire."12 Then it took off. By the spring of 2014, Facebook reported that 62 percent of its revenue came from mobile, leading the technology website The Verge to declare: "Facebook is a mobile company now.13 This statement has continued to prove accurate: by 2017, mobile ad revenue rose to 88 percent of their earnings, and is still climbing.