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What Is an Ad Network? Definition, Types, and Examples

Martech Advisor

An ad network is defined as a mediator between publishers and advertisers, to curate a large repository of ad inventory from publishers and sell it to advertisers. With digital ads comprising roughly half of the world’s total advertising spends, it is becoming the go-to marketing medium for advertisers. Top 3 Ad Networks.

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A Brief History of Online Advertising

Hubspot

Remember when "surfing the net" meant traversing a minefield of unwelcome pop-up ads? When "digital advertising" referred almost exclusively to obnoxious flashing banners and random sidebar ads? 1994: The first banner ads appear. The age of banner ads had officially begun. 1995: Display ads become increasingly targeted.