B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
40%
40% -- cost per impression reduction for Rosetta Stone (Facebook Audience Network app install campaign) (2026)
Rosetta Stone reduced cost per impression by almost 40% when using Facebook Audience Network ads to drive mobile app installs.
- The source states the reduction was 'almost' 40%
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
40%
Unit
Percentage
Data Vintage
2026
Entity
Geography
US
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
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Advertisemint
Primary
Tier C
https://www.advertisemint.com/what-is-the-facebook-audience-network/ ↗
Source Article
What Is the Facebook Audience Network?
Original Research
Advertisemint
· Original study ↗
Methodology
Single campaign case study reported by Advertisemint; no methodology stated
Methodology documented
Segmentation
IndustryEducation
RegionUS
RoleAll marketers
Channelpaid_ads
Cite this stat
Plain Text
Rosetta Stone (Facebook Audience Network app install campaign): 40% cost per impression reduction. Source: Advertisemint (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/rosetta-stone-audience-network-cpi-reduction
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<blockquote cite="https://lighthousedata.io/data/rosetta-stone-audience-network-cpi-reduction" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>40%</strong> -- cost per impression reduction for Rosetta Stone (Facebook Audience Network app install campaign)<br><small>Source: Advertisemint (2026) · <a href="https://lighthousedata.io/data/rosetta-stone-audience-network-cpi-reduction" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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