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Łukasz Włodarczyk

VP of Programmatic Ecosystem Growth & Innovation

Specializes in digital inventory buying strategies for DSPs, supply path analysis and optimization, and ad product development. Highly business- and goal-oriented, with a strong focus on driving product innovation and team improvement. Responsible for projects and activities related to the development of the programmatic ecosystem in the Open Internet, along with strengthening RTB House's leading position in shaping the digital landscape following the replacement of cookies by other mechanisms.

Articles written by Łukasz Włodarczyk

Published:
28 June 2021
What Does The Updated Timeline For The Privacy Sandbox Mean For Advertising Market Participants?
Google Chrome set an ambitious goal in their January 2020 announcement to have the key privacy-preserving advertising technologies deployed by late 2022 for the developer community to start adopting them. On June 24, Google released an updated timeline for the Privacy Sandbox and revealed a plan to phase out support for third-party cookies over a three month period starting mid-2023.
Published:
26 January 2022
RTB House’s First Impressions on Google Chrome’s Topics API
Six months ago, during IETF 111, Google engineers made it clear that they were approaching a new iteration of FLoC, which was related to site topics. Yesterday, they finally announced Topics API. The ad topics concept has also been explored by Meta engineers in their Ad Topic Hints proposal, which builds on user feedback to displayed ads. Also, the PAURAQUE proposal from NextRoll was proposed in such a way that users could define topics which are interesting for them and can be used for personalization.
Published:
28 January 2022
Google Shares FLEDGE Specification for the First Origin Trials
Just two days after publishing Topics API, Google shared more details about the FLEDGE API specification for the upcoming Origin Trials. It is definitely a positive move, as it improves the industry’s understanding of the scope of tests that will be possible in the upcoming months. The specification includes essential features for advertising efficiency and utility, such as those created by RTB House – Product-level TURTLEDOVE and Outcome-based TURTLEDOVE. Sadly, the testing phase timeline hasn’t been updated for months now, so a more detailed timeline is still unavailable.
Published:
11 August 2022
Cookies deadline extension allows for further testing and for Google to provide incentives to accelerate adoption
A year after the previous extension of the deadline for third-party cookies deprecation, Google did it again, this time until the second half of 2024 [Note: In April 2024, it was further postponed until early 2025]. At the same time, Google released two important pieces of information: The FLEDGE origin trial will most likely be extended until late October and will also cover Chrome stable users, and the feedback report for Q2, which is a result of the company’s commitments to the CMA.
Published:
17 February 2023
RTB House’s View on Bidding and Auction Services and the Recent Timeline Updates for FLEDGE Elements
Google has released an article announcing the availability of Bidding and Auction services in the web version of FLEDGE, as well as the status on pending FLEDGE capabilities. These two Google releases could have a major impact on the adoption of FLEDGE in the near future.
Published:
24 April 2023
RTB House Perspective on Google’s Topics Experiment Whitepaper
On April 18th, Google published the results from Google Ads’ interest-based advertising testing, where, among other tools, Topics API was analyzed. We are happy that the Google Ads team joined RTB House and Criteo in openly publishing findings from experiments with Privacy Sandbox APIs.

In the report, the Google Ads team compares the effectiveness of applying Topics API, contextual signals, and publisher first-party IDs instead of cookies for Interest-Based Advertising (IBA). Third-party cookies were allowed in this experiment for use cases unrelated to targeting, such as frequency capping and measurement.