YOUTUBE
| Date | Clue |
|---|---|
| 2022-05-17 | Second-most-visited website worldwide, after Google |
| 2012-06-17 | Source of a viral outbreak |
| 2011-12-03 | Company sold in 2006 for $1.65 billion - 21 months after it was founded |
| 2010-05-08 | Common blog link |
| 2006-11-11 | Google company |