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Dialogue vocabulary.
1.people's lives have changed a lot because of ...
2.people didn't use to have ... 50 years ago.
3.people used to have ... instead.
4.now they use ...
5.its much more convenient / fast / economical / pleasant ...
6.but its less natural / beautiful / healthy

1) new technologies 2) social network to have friends3) people used books for have knowledge instead internet 4) internet5)internet 6)internet