There are some adverts that viewers send each other, a nice analysis of that trend is the spreadable media series of articles by Henry Jenkins (http://henryjenk

There are some adverts that viewers send each other, a nice analysis of that trend is the spreadable media series of articles by Henry Jenkins (http://henryjenkins.org/2009/04/how_sarah_spread_and_what_it_m.html http://henryjenkins.org/2009/04/how_sarah_spread_and_what_it... - this is a kind of summary).