Online ad-serving tests

We're always experimenting and testing ways to deliver relevant and new kinds of ads, and as part of that, we recently started running a test of an ad serving technology that will help us understand online ad serving better, and allow us to experiment with some new approaches to privacy for third-party ad servers. The privacy features we'll test in these experiments follow some recently-announced policies, such as a shorter expiration date for the cookie set on your computer and anonymization of the logs data after 18 months. (Read more...)