In trying to save their home, the biggest problem for immigrants is the language barrier and lack of information in accessible languages.

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"A lack of access to information is arguably the biggest potential barrier to inclusion in society for blind and partially-sighted people, " a spokesman told the BBC.

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Lack of roads or infrastructure is becoming less of a barrier to the exchange of information.

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These days the barrier to obtaining investment research information is virtually zero.

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This refers to a technical barrier which makes it difficult for Google to rank Twitter information, a spokeswoman explained.

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