What Emma Chamberlain and Kendall Jenner can do for each other

Emma Chamberlain was 18 when she founded Chamberlain Coffee, a “coffee snob approved” company focused heavily on the caffeinated beverages that appeal to Gen Z consumers, who tend to favor iced coffee over hot, and sweeter blends instead of unflavored roasts. The brand’s packaging is brightly colored and adorned with cartoon animals—cold brew single packets, matcha latte kits, and flavored blends feature names like “Sweet Otter Cake Batter” and “Fluffy Lamb Vanilla.”  Today, the...