Marc Andreessen on the history and definition of the meme: "There are sort of two definitions of meme. Number one: a meme can just be like a funny image that spreads virally. That's its colloquial usage today." "Underneath that, though, is a deeper idea. The term 'meme' was originally actually invented by Richard Dawkins." "The physical transmission of information through living things is the 'gene.' And then the conceptual, intellectual transmission of ideas through people, networks of…