No matter you are a traveler who is curious to know what people research on before hitting on a vacation or a website guy who wants to know what’s hot, here’s a list that will interest you – List of travel related topics that the US internet users researched on (based on the percentage of respondents) the most during the summer of 2009:

1. Airfare : 34%
2. Hotel/Motel rates and availability : 30.8%
3. Car rental : 14.3%
4. Cruises : 10.3%
5. Adventure vacation : 10.0%
6. Train travel : 6.3%
7. Casino Vacation : 4.4%
8. Guided tour : 3.8%
9. Bus tour : 2.8%
10. Out of town sporting events : 2.8%
11. Travel agent/agency : 2.6%
12. Golf vacation : 1.7%

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