Daniel Dennett on memes and our mediated realities, in his recent book Breaking the Spell: Religion as a Natural Phenomenon: …it seems best to include all these replicators [computer virii and online scams/social engineering] under the rubric of memes, noting that some of them make only indirect use of human vectors, and hence are only indirectly elements of human culture. We are beginning to see this porous boundary crossed in the other direction as well: it used to be true that the differential replication of such classic memes as songs, poems and recipes depended on their winning the competition for …