After a campaign launches, how many days does the advertiser have to provide relevant data to a vendor as indicated by the IAB?

The correct answer indicates that, according to the IAB guidelines, an advertiser is required to provide relevant data to a vendor within one day following the launch of a campaign. This swift communication ensures that vendors are equipped with the latest information to optimize campaigns effectively and address any immediate performance or reporting needs.

Timely data sharing is crucial for the ongoing success of digital campaigns. One reason the IAB emphasizes a one-day window is to facilitate rapid adjustments based on early campaign performance metrics. This allows for agile decision-making, enabling both the advertiser and vendor to respond quickly to trends or issues that may arise after the campaign start. Fast feedback loops are essential in digital media buying and planning, as they can significantly affect the results and return on investment.

A longer timeframe, such as five or seven days, may risk delaying necessary optimizations or strategies that rely on the initial data, potentially leading to less effective campaign management. Hence, the one-day requirement supports a proactive approach to digital marketing efforts.