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| 1 | Vienna, Virginia, United States | |
| 2 | Columbus, Ohio, United States | |
| 3 | San Jose, California, United States | |
| 4 | Amsterdam, Netherlands | |
| 5 | Falls Church, Virginia, United States | |
| 6 | Cambridge, United Kingdom | |
| 7 | Mountain View, California, United States | |
| 8 | Santa Clara, California, United States | |
| 9 | London, United Kingdom | |
| 10 | Palo Alto, California, United States | |
| Total | ||