IAB Tech Lab has released a “stable” specification for its privacy audience activation standard and guidance for its data clean room standard.  Both are aimed at making it easier to share data between different data clean rooms, a key industry goal in making customer data available in a privacy-protected way.

Google lashed out at the Department of Justice’s threat to break up the company, calling the proposals “radical.” Among other things, Google says the proposals would threaten users’ privacy, stifle innovation and break Android and Chrome. Given the appeals process, it will likely be years before we know whether Google will stay in one piece.