From Memetics

Any information pattern that can be spread and replicated.

See genes, memes

Replicators are general, any pattern applies, not just in the sense of memetics

This includes viruses, animals, genes, computer viruses, automated spam bots, crystals, bacteria, parasites.

Replicators have 3 properties:

1. Copying-fidelity (Fuzziness)

2. Fecundity (Rate of copy)

3. Longevity (Stickiness)