Digital advertising spend has seen significant growth in recent years, and retailers are leading the way. In fact, eMarketer projects retailers in the U.S. will increase spending on paid digital advertising by 15% this year to $15 billion, a number that will reach $23 billion by 2020.
This heightened focus on digital channels only makes sense as consumers turn to e-commerce as an integral part of their shopping journeys. According to eMarketer, 9.8% of U.S. retail sales will take place over....