What is the single most important recent advance in Evolutionary Linguistics?

At last months Evolang in Kyoto Celia Alba and Oriol Borrega conducted a series of interviews with  participants asking what they considered "is the single most important advance in the field in the last few years?" The video is of these interviews is now online with answers from Cedric Boeckx, Simon Kirby, Massimo Piattelli-Palmarini, Kazuo Okanoya, Simon Fisher, Anna Maria di Sciullo, Antonio Benítez-Burraco, Charles Yang, Lluís Barceló i Coblijn, Koji Fujita, Víctor Longa, Jenny Saffran, Aritz Irurtzun, Joana Rosselló, Mauricio Martins, Bart de Boer, Denis Bouchard, Russell Gray, and James Hurford.

Check it out at http://sintaxi.debutxaca.com/2012/03/evolang-2012-at-kyoto-i/