It's no surprise ad tech has grown exponentially over the past few years. The Exchange Lab, a programmatic marketplace, recently took a look at just how far the industry has exceeded expectations over the past five years. "It is obvious that ad spend has and will continue to grow through digital platforms, and consistently at a rate faster than we predict," said Exchange Lab chief strategy officer Tim Webster. "The speed of growth in digital marketing naturally brings new challenges, such as viewability
This story first appeared in the Feb. 8 issue of Adweek magazine. Click here to subscribe.