Yahoo has eight operators in 17 countries signed up to use its new mobile search application, oneSearch.

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"Google has a chat application, Web-based search, and there is no one cohesive Google mobile application, which is important to have in a mobile environment where you want to be able to switch between applications, " she says.

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According to a study last year commissioned by Expedia and conducted by comScore, around 48% of users use a tablet or smartphone to plan their trips while 44% use a mobile device to search for their next trip, 44% out of which prefer using an application to do the same.

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