Monica Tamariz presented a poster at Evolang (runner up for the best poster award) about linguistic replicators. This is an alternative view to Andrew Smith's talk and Bill Benzon's post on the same subject.
Below I've copied out sections of Tamariz's poster:
Maye J, Werker JF, & Gerken L (2002). Infant sensitivity to distributional information can affect phonetic discrimination. Cognition, 82 (3) PMID: 11747867