What’s the ROI of influencer marketing?

Influencer marketing is fast becoming brands’ go-to option for speaking to consumers in an authentic way at scale. It is seen by many as the perfect way to boost reach and relevance, but in the highly measurable world of digital, it often fails to offer the directly attributable ROI of programmatic or paid social.
In fact, 38% of marketers say they are unable to tell whether influencer activity actually drives sales while 86% are unsure how influencers calculate their fees, according to a