Record global sales, China inches closer to eclipsing the U.S., and emerging markets gain strength. In 2017, global direct selling recorded US$189.6 billion (2017 constant U.S. dollars) in estimated retail sales—a 1.6 percent increase over 2016. — and up nearly $20 billion since 2014, resulting in a 3.7% compound annual growth rate over the 3-year period…