Cross-device identity matching is the way marketers map pseudonymous identifiers both intra-device as well as across multiple devices to the same consumer to improve personalization and measurement.

We collaborate with the world's leading lawyers to deliver news tailored for you. Sign Up for any (or all) of our 25+ Newsletters. Some states have laws and ethical rules regarding solicitation and ...

Ad networks, publishers and other companies that collect data from someone's laptop in order to serve ads to that same person's smartphone must notify people about the practice. That's according to ...

Surprise new tracking goes live. Republished on February 20th with new report into the multi-billion dollar data harvesting industry and its staggering growth, all fueled by unlimited user tracking.