With the holiday marketing season upon us, marketers launch the month-long, relentless scramble for consumer visibility and coveted advertising space on high-traffic inventory. One matter likely not on marketers’ radars? Antitrust violations. A recent ruling on a case brought by the Federal Trade Commission (“FTC”) against 1-800 Contacts scrutinizes the brand’s ad tech playbook through an antitrust lens, calling into question the legality of certain private agreements. The crux of the FTC’s unfair competition case…