Every year Google releases the most searched keywords on Google throughout the whole year.
Here is the list of the trending search queries with the highest amount of traffic over a sustained period in 2012 as compared to 2011:
1. Whitney Houston
2. Gangnam Style
3. Hurricane Sandy
4. iPad 3
5. Diablo 3
6. Kate Middleton
7. Olympics 2012
8. Amanda Todd
9. Michael Clarke Duncan
10. BBB12