The search giant's global year-in-review is topped by Nelson Mandela, followed by the late actor Paul Walker and the iPhone 5S. Snowden doesn't make an appearance.  Okay, the iPhone and the Harlem Shake might be skewing the results. What if we just limited it to people? Still no luck. Oscar Pistorius, the South African athlete under investigation for his girlfriend's murder, ranked higher than Snowden.  Maybe "Snowden" is a little too specific. What if we broadened the query to "NSA" or "surveillance" or "spying"?  The same pattern will repeat itself if you drill down to U.S.-specific searches. Here's what trends in Washington, D.C. — arguably the city most preoccupied with Snowden this year — looked like, as provided by a Google spokesperson: