Our research is similar, with over 20% listed as "None" in the Domains
report. This has significant impact on segments that use "Domains", and
it's not just because over 20% of the Domains report consistently
contains "None". It's the fact that over a given timespan some IP
address have multiple "domain" values, primarily "None" and the ISP
domain. And we all know how "Some, but not all, data" is often worse
than "No data", and here "Some data" means "Just enough data to see a
particular desired...