Kayak chief executive Steve Hafner was speaking to Travolution in response to Tripadvisor?s launch of a flight metasearch tool, unveiled last week.

He said Kayak had been expecting the move for some time and predicted it would be kept small so as not to cannibalise Expedia?s business. ?It will cannibalise it a bit but they will be careful about how much. I don?t think anyone is going to let Expedia be cannibalised, they will be very careful about how they manage it. I don?t think they are intending to spend marketing dollars pushing it.?

He also said a hotels metasearch tool was unlikely. ?It would have been more interesting but they make a lot more money on hotels with the current model then they would on metasearch.?

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