Snapchat is pinking out loud for Greta Gerwig’s “Barbie.” Warner Bros. Pictures is launching a “Barbie” AR Lens ad campaign exclusively on the social and messaging app — meaning Snapchat is the only ...

Even before I got to the theater, I saw the pink. One or two people in bright pink outfits isn’t unusual in a crowded space, but it became clear as I walked toward the movie theater that the pink-clad ...