Online influencers are expected to make $4.1B-$8.2B in 2019, but with no good way to measure sales, some advertisers are questioning whether it's worth it
Wall Street Journal : Thanks: @chrismessina
Context & Ripple Effects
Influencer marketing has scaled fast off a pricing base Wired documented a year ago, when brands were already paying $60K+ for a single video review — and Instagram's Q1 2019 North America influencer spend hit $265M, up 62% YoY per the platform's own growth curve. The WSJ's $4.1B–$8.2B earnings estimate for 2019 puts real money behind what is still, for most advertisers, an unmeasured channel.
The tension in this story is scale versus proof: budgets grew on reach and brand-safety assumptions, not attributable sales, and the same doubt now surfacing about influencers had already been aimed at other opaque corners of digital advertising.
First-order effects
- Advertisers weighing influencer contracts priced like Wired's $60K–$85K examples now have a stated reason to pause renewals until attribution improves.
- Instagram sits closest to the decision point: its influencer ad line is growing fastest (up 62% YoY in Q1), so any pullback hits its revenue mix first.
Second-order effects
- Measurement and affiliate-style tracking vendors gain leverage, since whoever can tie a post to a sale can justify rates that unverified influencers cannot.
- Budgets under scrutiny tend to rotate toward channels with clearer return signals — the same dynamic that later fueled criticism of 'made for advertising' sites capturing billions in automated spend despite dubious results for advertisers.
Third-order effects
- If unmeasured reach stops clearing its price, social ad platforms face a structural squeeze: Facebook and Instagram were already showing saturation signs after years of ~30% quarterly average growth by late 2020, per the related analysis, leaving less headroom to absorb skeptical advertisers.
- The longer pattern points toward performance accountability becoming table stakes across all ad formats — brand-style spend survives only where platforms build credible attribution or accept commoditized rates.
The trend: Digital ad spending is migrating from reach-priced formats toward measurable-performance formats, forcing platforms and creators alike to prove sales impact.