Quartile, the world’s largest eCommerce cross channel advertising platform announced that it has acquired the complete book of business of Boutique Seller, a highly-regarded Amazon advertising agency, in an undisclosed agreement. Boutique Seller’s clients, which have millions in sales across the gamut of categories on Amazon, will be transitioned to Quartile’s comprehensive ad management system. With offices in the United States and Israel, Boutique Seller has served over 250 Amazon sellers in the last five years. “We started...