Klaviyo × Culture Kings
338% YoY increase in global SMS campaign click rate
Fragmented and blind to unified and targeted
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The piece leads with a strong upward number, making Breakthrough the clear primary type over Efficiency, even though time savings from AI features also appear. The competitive switch from Yotpo to Klaviyo for SMS is named explicitly, giving the story a clean before-and-after anchor. The supporting unsubscribe rate declines reinforce that engagement quality improved, not just volume.
Pair the headline growth metric with a drop in unsubscribe rate so readers see both reach and list health improving together, which makes the engagement gains feel credible rather than just volume-inflated.
Click to enlarge ↗ This is editorial commentary and curation. The case study, screenshot, and all metrics are Klaviyo's published work; we link to the source and lead with our analysis.