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Why we care about data clean rooms

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Why we care about data clean rooms

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What they are. “Clean rooms” are a type of privacy-enhancing technology (PET) that allows data owners (including brands and publishers) to share customer first-party data in a privacy-compliant way. Clean rooms are secure spaces where first-party data from a number of brands can be resolved to the same customer’s profile while that profile remains anonymized.

There are two principal modes of operation for clean rooms: “Differential privacy,” in which individuals remain anonymous within aggregated insights (an example would be the insight derived from pooled data that five out of 10 football fans also watch baseball, the identities of the individual fans remaining concealed); and “multi-party computation,” in which multiple data owners pool their first-party data in the clean room for analysis without actually handing it over. Clean rooms have been described as “Switzerlands” — neutral spaces where anonymized data can be shared without being given up.

Clean rooms have been at work in the financial and health sectors for some time, for example enabling sharing of insights about COVID without sharing sensitive patient information.

Read next: Roku announces clean room for streaming campaigns

Why they’re hot. It is universally acknowleged that the deprecation of third-party cookies next year will enhance the importance of first-party data. First-party data is information collected by data owners with the consent of users and typically includes personally identifying information (PII) such as name, email address or phone numbers.

First-party data, however, is limited in scope. The same consumer might supply first-party data to a newspaper, a retailer, a financial advisor, a realtor and a car dealer. Each brand would have a limited amount of information about the consumer. The newspaper would know she purchased a subscription, the retailer would know about recent purchases, and so on, but no one brand would have a 360-degree view.

This is where second-party data has helped out in the past. Second-party data is simply one data owner’s first-party data in the hands of a different data owner. The traditional route to convert first- to second-party data was direct transactions between data owners. In other words, it was bought and sold. Third-party data is bought and sold too, but in that case the buyers are dealing with data aggregators, not the data owners that collected the data.

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One obvious problem with traditional second-party data is that it disrespects privacy. A consumer might not want their data, including PII, traded between data owners without their knowledge or consent. Clean rooms promise to create a different type of second-party data by creating a space in which data can be aggregated and resolved to a customer profile without that data being sold or traded and with the profile remaining strictly anonymous.

Read next: ActionIQ integrates with clean room platform to activate second-party data

Why we care. Starting next year, data-driven marketing is going to look very different. Once third-party cookies are deprecated by Chrome, none of the major browsers will any longer be tracking our behavior across multiple websites, multiple engagements and multiple transactions. In addition, Apple’s IDFA changes place constraints on tracking across apps, and Android is likely to follow suit.

An emphasis on quality, consensually offered first-party data will certainly come to the forefront, but it cannot give a full picture of an individual consumer’s activity. Second-party data can significantly enrich first-party data and clean rooms offer a way to do that in a privacy-compliant way.


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About The Author

Kim Davis is the Editorial Director of MarTech. Born in London, but a New Yorker for over two decades, Kim started covering enterprise software ten years ago. His experience encompasses SaaS for the enterprise, digital- ad data-driven urban planning, and applications of SaaS, digital technology, and data in the marketing space. He first wrote about marketing technology as editor of Haymarket’s The Hub, a dedicated marketing tech website, which subsequently became a channel on the established direct marketing brand DMN. Kim joined DMN proper in 2016, as a senior editor, becoming Executive Editor, then Editor-in-Chief a position he held until January 2020. Prior to working in tech journalism, Kim was Associate Editor at a New York Times hyper-local news site, The Local: East Village, and has previously worked as an editor of an academic publication, and as a music journalist. He has written hundreds of New York restaurant reviews for a personal blog, and has been an occasional guest contributor to Eater.

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How to avoid digital pollution and focus on your audience

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Has content become a dirty word? Join Ed Breault, CMO of Aprimo, to talk about the ultimate necessity of content operations to deal with digital pollution both at the macro and the micro levels so your organizations can rethink how you plan, create, manage and deliver remarkable customer experiences that scale.

Register today for “Has ‘Content’ Become a Dirty Word?” presented by Aprimo.


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About The Author

Cynthia Ramsaran is director of custom content at Third Door Media, publishers of Search Engine Land and MarTech. A multi-channel storyteller with over two decades of editorial/content marketing experience, Cynthia’s expertise spans the marketing, technology, finance, manufacturing and gaming industries. She was a writer/producer for CNBC.com and produced thought leadership for KPMG. Cynthia hails from Queens, NY and earned her Bachelor’s and MBA from St. John’s University.

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