I think it might be related to a restriction google groups has (https://twitter.com/liliakai/status/672219521654980608 https://twitter.com/liliakai/status/67221

I think it might be related to a restriction google groups has (https://twitter.com/liliakai/status/672219521654980608 https://twitter.com/liliakai/status/672219521654980608) "Waiting for Signal Desktop beta access? Know any googlers who can lift the 100-person daily limit on google group invites?"