  The COVID-19 pandemic disrupted the usual ways the networking research
community operates. This article reviews experiences organising and
participating in virtual conferences during the COVID-19 pandemic between
2020-2021. Thanks to the broader scope of the Dagstuhl seminar on 'Climate
Friendly Internet Research' held in July 2021, here we focus the discussion on
state-of-the-art in technologies and practices applied in online events such as
conferences, teaching, and other meetings and identify approaches that are
successful as well as others that need improvement. We also present a set of
best practices and recommendations for the community.
