This trend is nothing new, and is one of the main reasons that video CPMs for digital media are as high as they are. Sites like Youtube can bring a wealth of t

This trend is nothing new, and is one of the main reasons that video CPMs for digital media are as high as they are. Sites like Youtube can bring a wealth of targeting data to the table, and Google is obviously very good at making that as accurate as possible. It is one of the main reasons behind their big push to get you logged-in whenever you use a Google service, device, browser, app, etc. A single GUID to link behavior across everything. One ring to rule them all so speak ;)