This happens through auctions on Ad Exchanges, where publishers offer their ad inventory and advertisers bid on them, with winners’ ads finally shown to the visiting user. Here’s a simple real-time bidding example. Let’s say a user is playing a game on their phone where ads appear between levels. In https://prevenodefraudes11875.izrablog.com/29105278/a-regra-de-2-minutos-para-retargeting