Rank Topic Number Percent 1 Commerce, travel, employment, or economy 761 30.4 2 People, places, or things 402 16.0 3 Unknown or other 331 13.2 4 Health or sciences 224 8.9 5 Entertainment or recreation 177 7.0 6 Computers or Internet 144 5.7 7 Education or humanities 141 5.6 8 Society, culture, ethnicity, or religion 119 4.7 9 Sex or pornography 97 3.8 10 Government or legal 90 3.6 11 Arts 14 0.5