CPMs, Engagement Fall in 1Q for Facebook, Twitter and LinkedIn
Facebook, Twitter and LinkedIn combined ad revenue grew by 49%, according to Social.com Q1 2015 Advertising Benchmark. Facebook's overall CPMs fell 11% from 4Q 2015 to Q1 2015 t $3.30 and Facebook Audience Network CPMs were 9% cheaper than overall mobile CPMs. Twitter saw lower CPMs, and a slight increase in the cost per engagement, and LinkedIN saw a slip in CPMs. In Q1 2015, sponsored updates made up 40% of LinkedIn's overall ad revenue, nearly double the 2014 figure.
Salesforce Marketing Cloud is part of Salesforce, a Facebook Marketing Partner.

Overall, Salesforce Marketing Cloud found that Facebook, Twitter and LinkedIn combined saw ad revenue grow 49 percent in the first quarter of 2015 compared with the prior-year quarter.

For Facebook, the company found that: