Dear Colleagues, The deadline for proposals for SIGDOC 2021: Advocacy, Accountability, and Coalitions Across Contexts is extended to March 12, 2021. The conference will include both online virtual presentations and optional in-person meetup hubs on October 14, 2021. The locations of the 8 worldwide in-person meetup hubs will be Lavras, Brazil; Beijing, China; Limerick, Ireland; Lisbon, Portugal; Tempe, AZ; East Lansing, MI; Raleigh, NC; and Tacoma, WA. The ACM Special Interest Group on Design of Communication (ACM SIGDOC) invites you to submit proposals for research papers, industry insight papers, experience reports, posters, panel sessions, and workshops. These proposals should explore the themes of advocacy, accountability, and coalitions in communication design, PTC, user experience (UX) practice, and teaching and learning. For a complete description of the proposal process, please review the full SIGDOC 2021 CFP<https://sigdoc.acm.org/conference/2021/call-for-papers> (sigdoc.acm.org/conference/2021/call-for-papers). Important Dates: * 12 March 2021, 23:59 in your local time zone: Proposals due * 14 May 2021: Drafts of initial papers and extended abstracts due * 01 June 2021: Reviews of/comments on papers and extended abstracts returned * 15 July 2021: Papers and extended abstracts (final version) due * 14 October 2021: SIGDOC 2021 hybrid conference: virtual presentations with in-person meetup hubs across 8 locations worldwide Questions on the CFP or the process described here should be emailed to the Program Co-Chairs, Liz Lane and Halcyon Lawrence, at sigdocconference@gmail.com<mailto:sigdocconference@gmail.com>. Best, Luke Thominet, PhD SIGDOC Communications Manager