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Library/App & software/Gmail invite-only launch/Certificate

Spread Certificate · No. HIS-01460

Gmail's expanded conversation view in April 2004, posted by its interface designer Kevin Fox.

This certifies how far it spread

Gmail invite-only launch

Google ·April 2004 ·seeded onOpen webthenPress

Spread Score

29

Niche

Verified independently

Verified

$393K

eBay invitation transaction value, Apr 29-Jul 29, 2004

Qin Lei / The Journal of Industrial Economics

Verified

63.4K

Gmail invitations sold on eBay, Apr 29-Jul 29, 2004

Qin Lei / The Journal of Industrial Economics

Verified

3 months

Seed to peak proxy, Apr 1 ’04 to Jun 22 ’04

Verified

2 platforms

Started on Open web

Claimed, not audited

Claimed

31

Privacy organizations and advocates signing the letter

Per Privacy Rights Clearinghouse

Issued Oct 23, 2026 · Spread Score v1.3 provisional · 21 sources

howitspread.com/id/HIS-01460

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<a href="https://howitspread.com/id/HIS-01460"><img src="https://howitspread.com/badge/HIS-01460.svg" alt="Spread Score 29, Niche, verified by How It Spread" height="40"></a>

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