The At-Large New GTLD Working Group has been convened to work on policy positions related to the implementation of new generic top-level domains in the root zone. Interested users are encouraged to join the effort online on the mailing list for the GNSO Liaison role.
More information on this subject, as well as At-Large's engagement with the GNSO on other topics, can be found on the At-Large GNSO Liaison page.
