In yet another troubling sign for Twitter, the social giant’s global average CPM fell 18% to $4.29 over the past year, according to a new second-quarter ad index from Salesforce.
Worse yet, from the first quarter to the second quarter of this year, Twitter’s global CPM fell by a whopping 38%.
Facebook, by contrast, saw its global CPM rise 65% to $6.33, year-over-year. Stateside, the reigning social champion’s average CPM grew by 74%, year-over-year.
