They were affectionate, humorous, discursive, but not the letters of a lover.

信亲切，幽默，随便，却绝非情书。

The internet is making news more participatory, social, diverse and partisan, reviving the discursive ethos of the era before mass media.

互联网使新闻变更易参与，更具有社会性，更容易到不同的声音，让新闻从大众传媒时代重回百家争鸣的盛况。

And basically, what you'll have to do is write a discursive essay contrasting these two views and also giving your opinion.

基本上，你要做的一篇对比这两个观点的论文，同时给出你的观点。