Below is an illustration of how the advert-serving course of action looked in the late nineties to early 2000s, and how advertisement servers emerged. In the early times of online advertising, executing a campaign was a manual system that only included direct communication among the advertiser and publisher. "The most https://customersupport20295.blogspothub.com/27001730/the-2-minute-rule-for-multi-channel-campaigns