In different ways and with quite different outcomes Dunn, Mournet, Baum, and Burkett invoke practices associated with orality and writing in the ancient world to call into question all or some aspects of the Two Document Hypothesis and to build rationales for alternative source hypotheses. In a criticism of their appeals to ancient media this essay works out the significance of cultural practices associated with orality, writing, and memory for further work on the synoptic problem, especially as regards the uneven patterns of variation and agreement in the tradition.