The hope in viral marketing is to create something that is so much fun that it will propagate by itself, as people e-mail it to each other or put the web link on their blogs.
2
而仅当确实是交流的新形式(web邮箱,社会网络,微博客)时,病毒营销才起作用。
It only works when it is a genuinely new form of communication (webmail, social networking, microblogging).