An identity graph is the part of an audience data stack that people buy without ever seeing. You are told your records were unified; what you actually bought was a set of decisions about which records belong to the same person, made by a system you cannot inspect. This covers what a graph stores, how…
Most guides to this question were written for a future that never arrived. The standard framing — choose deterministic matching because third-party cookies are about to vanish — rested on a deprecation Google called off in April 2025, then followed in October 2025 by retiring the replacement technologies it had spent years building. Cookies did…
If you have a customer file with names and postal addresses but little else, demographic data append is how you fill in the gaps. It is also one of the easiest places in marketing data to buy something that looks useful, performs badly, and quietly damages your sending reputation. This guide covers what the service…