The United States may be home to Facebook, Google, Apple, and taco shells made of Doritos, but according to a recent international study, our nation is becoming less innovative, at least compared to last year. After ranking 7th in 2011, the U.S. is ranked 10th in this year's Global Innovation Index, a massive report published by Insead, an international business school, and the World Intellectual Property Organization, an agency of the United Nations.

The report ranks 141 nations on nearly 100 factors related to innovation, in areas like "Business sophistication," "Human capital & research," and "Knowledge & technology outputs." Switzerland and Sweden are ranked Nos. 1 and 2, respectively, for the second straight year. Rounding out the top five are Singapore, Finland, and the United Kingdom.

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