I've seen a *lot* of these headers on traffic that has no business having these ...

sehugg on Oct 25, 2014 | parent | context | favorite | on: How Verizon's Advertising Header Works

I've seen a lot of these headers on traffic that has no business having these headers (internal app traffic to a non-public-facing server)

EDIT: On the one server I sampled, they're included in approx. 10% of requests (mostly Android/iOS traffic)