A third of US Internet users now research and book travel online, according to the Conference Board and TNS' "Consumer Internet Barometer" study. The report covered US households and was conducted in the second quarter of 2007.

Two in 10 consumers used the Internet more this year than last to research travel arrangements, and 18% increased their online bookings. At the same time, nearly a quarter of respondents said they used the Internet less than they did last year for making travel arrangements.

Despite this flux in usage, about a fifth of US Internet users researched their travel online and booked offline in the second quarter of 2007.

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