B
Evidence Grade B
Graded
under review
Safe to Cite
Current
91%
91% -- email primary collaboration share for US survey respondents (email users) (2026)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
91%
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
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Cisco / Harris Research
Primary
Tier C
https://atelier.bnpparibas/en/smart-city/news/web-changes-email-stays ↗
Source Article
The More the Web Changes, the More Email Stays the Same
Original Research
Cisco / Harris Research
· Original study ↗
Methodology
Study conducted by Harris Research for Cisco; article reports no study date, collection year used as vintage
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
US survey respondents (email users): 91% email primary collaboration share. Source: Cisco / Harris Research (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/email-primary-collaboration-us-respondents-91
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<blockquote cite="https://lighthousedata.io/data/email-primary-collaboration-us-respondents-91" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>91%</strong> -- email primary collaboration share for US survey respondents (email users)<br><small>Source: Cisco / Harris Research (2026) · <a href="https://lighthousedata.io/data/email-primary-collaboration-us-respondents-91" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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