How a Marketing Firm You’ve Never Heard of Knows Exactly Where You Shop and When

"Snap into a Slim Jim," Macho Man Randy Savage bellowed from TV sets during the 1990s as a pitch-perfect character for the meat stick brand. In an era when jerky was perceived by the American public as junk food, Slim Jim was a mainstay for adolescent boys and convenient stores. But artisanal jerky brand Krave,...