“Vital search, social, and display performance data by device.”
Marin’s methodology was to sample the Marin Global Online Advertising Index (over $7.8B in the Marin Platform). The Index consisted primarily of “enterprise clients” (larger clients or agencies) that spend $1MM+ annually on paid search, display, and/or social.
Read the report here: wp222_Q2-2016-benchmark-report_us_w_050516