WTF is a data clean room?
https://ift.tt/eA8V8J Advertisers’ attempts to break down data’s walled gardens have found a second wind. The emergence of so-called data clean rooms, safe spaces where insights gleaned from the walled gardens are commingled with first-party data from advertisers for measurement and attribution, is gathering pace as media trading becomes more addressable. As much as these safe spaces are in demand, they are fraught with adoption issues. Here’s what you need to know: What is a data clean room? Data clean rooms are places where walled gardens like Google, Facebook and Amazon share aggregated rather than customer-level data with advertisers, while still exerting strict controls. First-party data from the advertiser is then poured into the same space to see how it matches up with the aggregated data from the platforms. From there, advertisers can see how the different data sets match up, using any inconsistencies between the two to determine whether they’re over-serving ads to the sam