Tripadvisor is one the main hotel and travel review sites people are familiar with 

The Travel 2.0 revolution is having an impact on booking behaviour… studies now state that online user reviews of travel and hotel products have considerable pull on the consumer and may even be more important than pure pricing based decisions as observed in the past.

In a survey this year, Yahoo Travel found that 61 percent of people now go online for vacation recommendations, says Fiona Lake Waslander, the company’s director of product management. “Travel 1.0, when travel planning moved online, was really all about prices,” Waslander says. “No longer are you looking for a hotel just based on a price, but you’re looking at user reviews and user ratings and photos.”

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