i am more concerned by the blurring of any distinction between advertising and information, a move that has been a stock in trade of the right.
this website gives an interesting overview of the infrastructure of this kind of business with reference to global warming:
http://www.exxonsecrets.org/
this website tries to take on the matter in broader terms:
http://www.disinfopedia.org/wiki.pht...e=Disinfopedia
it seems to me that "memes" are elements of a visual rhetoric that would not necessarily be problematic in themselves in a context shaped by clear-ish genre distinctions. in the present context, however, in which there are corporate/political interests working actively to break down these distinctions, the nature and meaning of this rhetoric becomes more complicated and troublesome.