d

xc

d

[4st]Summary&Comment

This week's topic is Social network.first, New media technologes usually reinforce existing social networks or even work to isolate people.Social network need to reinforce a lot of communication and new media increase contect with friends.people know each other more and more, social network is also getting bigger.but I cannot put network's friend name on the social networkfor example, i know "hyolee lee" but she does not know me. these days, we prefer watching TV , playing computer to going outside.second,when new media technologies facilitate new social networks, they simultaneously challenge existing social, political and economic relationships.