B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
98%
98% -- purchased email contacts no interest share for Purchased email contacts (2025)
Research indicates that 98% of purchased email contacts have never shown interest in a company's products or services.
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
98%
Unit
Percentage
Data Vintage
2025
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
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
sparrowcrm.com
Primary
Tier C
https://www.sparrowcrm.com/blogs/crm-compliance ↗
Source Article
How GDPR Impacts Sales Teams and CRM Data Compliance | SparrowCRM
CRM Compliance: What Sales Leaders Must Know About GDPR Compliance
Learn how GDPR affects your sales outreach, CRM data handling, call recordings and what steps sales leaders must take to stay compliant and trusted.
May 02, 2025
May 02, 2025
Beatrice Levinne is a former sales professional writing un…
Original Research
sparrowcrm.com
· Original study ↗
Methodology
Article states 'Research shows' without naming the study; refers to purchased/third-party email list contacts and their lack of engagement for sales outreach.
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Purchased email contacts: 98% purchased email contacts no interest share. Source: sparrowcrm.com (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/purchased-email-contacts-never-showed-interest
HTML Embed
<blockquote cite="https://lighthousedata.io/data/purchased-email-contacts-never-showed-interest" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>98%</strong> -- purchased email contacts no interest share for Purchased email contacts<br><small>Source: sparrowcrm.com (2025) · <a href="https://lighthousedata.io/data/purchased-email-contacts-never-showed-interest" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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