Good Replicators have Fidelity, Fecundity, and Longevity

Effective memes will be those that cause high fidelity, long-lasting memory. Memes may be successful at spreading largely because they are memorable rather than because they are important or useful. Wrong theories in science may spread simply because they are comprehensible and fit easilty with existing theories, and bad books may sell more copies because you can remember the title when you get to the bookshop -- though, of course, we do have strategies for overcoming these biases. An importa...