Our thanks to the following for their research contribution;

AAM

Carat USA

comscore

Crowdtangle

Edelman

Havas Media USA

Helixa

Ipsos

J.D. Power & Associates

Kantar Media

Mediaradar

Meredith Corporation

MESH Experience

Mri-simmons

Nielsen Catalina Solutions, Nielsen Homescan

NOMOS Research

Professor Samir Husni, Mrmagazine.com

Quad

Symphony Health

Yougov