B
Evidence Grade B
Graded
under review
Safe to Cite
Current
60%
60% -- percentage increase for Dropbox membership (2026)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
60%
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
50
Citation Chain
60
Independence
30
Methodology
45
Freshness
95
Source
Wishpond
Primary
Tier B
https://wishpond.com/blog/marketing-to-exisiting-customers/ ↗
Source Article
5 Ways of Marketing a Product to Existing Customers - wishpond.com
As COVID-19 related lockdown eases up, businesses have started opening up. However, many of them have had to reconsider their marketing techniques to meet the challenges of the evolving business landscape.
As a result, many sellers have revised their advertising budgets, while others have developed …
Original Research
Wishpond
· Original study ↗
Methodology
Dropbox saw a 60% membership increase after launching their referral program.
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Dropbox membership: 60% percentage increase. Source: Wishpond (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/dropbox-referral-program-membership-increase
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<blockquote cite="https://lighthousedata.io/data/dropbox-referral-program-membership-increase" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>60%</strong> -- percentage increase for Dropbox membership<br><small>Source: Wishpond (2026) · <a href="https://lighthousedata.io/data/dropbox-referral-program-membership-increase" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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