Kylie Jenner's face--seductive, glowing and larger than life--is the centerpiece of her latest ad campaign, but, behind the scenes, programmatic technology is doing a heavy lift. The campaign, which took hold of 1,300 screens in more than 1,000 cities on Wednesday, is for the 21-year-old influencer's new DTC skincare line, Kylie Skin. Conceived with the...