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Library/App & software/Second Life/Certificate

Spread Certificate · No. HIS-01574

Current Second Life promotional scene from the official product site; not a launch-era screenshot.

This certifies how far it spread

Second Life

Linden Lab ·April 2003 ·seeded onOpen webthenPressAudioYouTube

Spread Score

34

Niche

Verified independently

Verified

73%

Hitwise-reported US search share increase, week ending October 21

MediaPost

Verified

3 outlets

National press, from San Francisco Chronicle / SFGATE and WIRED

Verified

Week of Oct 21, 2006

Peak proxy date, Apr 28 ’03 to Week of Oct 21, 2006

Verified

4 platforms

Started on Open web

Claimed, not audited

Claimed

1M users

30-day logins in WIRED’s July report, approximate

Per WIRED

Claimed

61.5K users

Last weekend’s concurrency, reported January 17

Per Linden Lab / Zee Linden

Claimed

1M users

Monthly active users at the tenth anniversary, approximate

Per Linden Lab

Issued Oct 23, 2026 · Spread Score v1.3 provisional · 22 sources

howitspread.com/id/HIS-01574

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