Birds Of a Feather; also BOFs, These are social interaction groups that meet, either online, or in community, or in person at other venues; An IETF Standards group of people who have a gathering, before a proposal or idea is formed to a WG or Working Group.
The IETF have several BOFs, but some are just for documentation only. ; "Jane and Mildred are just a pair of BOFs,"
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