It sounds like the "dark launch" wasn't visible to users, it was simply to test ... | Hacker News

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		tlrobinson on May 15, 2008 \| parent \| context \| favorite \| on: Scaling Facebook Chat to 70 Million Active Users A... It sounds like the "dark launch" wasn't visible to users, it was simply to test the capacity of their servers. It's a very interesting idea. They did roll out the UI over the course of several hours though.

ryan on May 15, 2008 | [–]

Also they did stage the launch over a few weeks. I noticed it appear on my facebook page (because I'm in the Stanford network) well before it appeared on most of my friends'

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