B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
44.7%
44.7% -- email campaign revenue growth rate for Public Goods (2026)
For Public Goods, email campaign revenue grew 44.7% quarter over quarter.
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
44.7%
Unit
Percentage
Data Vintage
2026
Entity
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Darkroom
Primary
Tier B
https://www.darkroomagency.com/observatory/ai-email-marketing ↗
Source Article
AI Email Marketing for DTC Brands in 2026 | Darkroom
RETENTION MARKETING
AI Email Marketing: How DTC Brands Personalize at Scale in 2026
Written by Darkroom leardership
Last update: August 5, 2026
Klaviyo will not show you a predicted customer lifetime value until you have at least 500 customers who have placed an order, 180 days of order history, ord…
Original Research
Darkroom
· Original study ↗
Methodology
Agency case study result (Darkroom client)
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Public Goods: 44.7% email campaign revenue growth rate. Source: Darkroom (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/public-goods-email-campaign-revenue-growth
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<blockquote cite="https://lighthousedata.io/data/public-goods-email-campaign-revenue-growth" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>44.7%</strong> -- email campaign revenue growth rate for Public Goods<br><small>Source: Darkroom (2026) · <a href="https://lighthousedata.io/data/public-goods-email-campaign-revenue-growth" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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