One of the biggest mistakes that people make when they think about memes is they try to extend on the analogy with genes. That's not how it works. It works by realizing the concept of a replicator.
Susan BlackmoreIn proportion to our body mass, our brain is three times as large as that of our nearest relatives. This huge organ is dangerous and painful to give birth to, expensive to build and, in a resting human, uses about 20 per cent of the body's energy even though it is just 2 per cent of the body's weight. There must be some reason for all this evolutionary expense.
Susan BlackmoreFinally, we might decide that civilisation itself is worth preserving. In that case we have to work out what to save and which people would be needed in a drastically reduced population - weighing the value of scientists and musicians against that of politicians, for example...
Susan BlackmoreJust as the design of our bodies can be understood only in terms of natural selection, so the design of our minds can be understood only in terms of memetic selection.
Susan Blackmore