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great changes have (去掉been) taken place in the way people communicate with each other from a long distance.in the past,people (wrote) letters to exchange (information) with each other.later on,they could talk with each other on the (fixed) telephone.now more and more people use (their) own mobile phones to communicate and instead (加入of) writing on paper,they e-mail each other through the internet.(With) the help of the 3g technology,some even talk (加入face) to face.as a result,people find (it) quicker and easier to communicate,(But) at the same time some people feel that they become poorer in writing.and the relationship between each other is not so (close) as before.