mThink is the online publishing division of mThinkDigital, a leading interactive marketing services agency focused on digital strategy, content marketing, customer acquisition, e-commerce and thought leadership.
The Blue Book is an annual ranking of the Top 20 cost-per-sale and cost-per-acquisition networks worldwide, informed by a four month industry-wide survey, input from a Blue Ribbon Panel of industry experts as well as other, weighted data. The Blue Book Top 20 CPA network table may be viewed here.