What a joy: the first e-booklet open access is online and also stored, archived and offered by DNB, the German National Library:
Social Informatics Experience: Learning about people and computers ISBN 978-3-947287-14-7 | 2023 ...
Yesterday the managing editor informed me via e-mail: "Dear Author, I am pleased to present a special issue of Acta Informatica Pragensia entitled Perspectives of Social Informatics (3/2021) ..." And so SIE is published: ...