Dear colleagues, It is still time to register for this year’s ACM Web Science Conference! The ACM Web Science Conference<https://websci22.webscience.org/> will take place in Barcelona on June 26-29, 2022 and will be co-located with UMAP’22<https://www.um.org/umap2022/> and HT’22<https://ht.acm.org/ht2022/> conferences. WebSci’22 is organized as a hybrid conference and will also enable online participation. Registration Registration fees start at 50,- Euro (online attendance, student rate). Additional options for discounted tickets are available (including a limited number of free admissions for researchers from countries designated as “economically developing”). All details about registration fees<mailto:https://websci22.webscience.org/registration/> can be found online. Conference Program You can access the full conference schedule<https://websci22.webscience.org/programme/schedule/> with the keynotes and all the paper sessions, including topics such as “Crowds and Social Movements”, “Health” and “Harmful Content Detection”. The conference will feature two keynotes and we are excited to announce our invited speakers: m.c. schraefel<http://www.southampton.ac.uk/~sign/> (University of Southampton) and Leila Zia<https://wikimediafoundation.org/es/profile/leila-zia/> (Wikimedia Foundation). We are also happy to announce the accepted workshops and tutorials<https://websci22.webscience.org/programme/workshops-and-tutorials/> for this year, which cover a wide range of topics and are open for participation: * General Collective Intelligence and Web Science * Documenting Web Data for Social Research (#DocuWeb22) * 1st Workshop on Blockchain and AI for Community * Assessing The Ethical Implications Of Artificial Intelligence In Policing * Coornet: detecting problematic online coordinated link-sharing behavior Also, we encourage you to attend and register to Brave Conversations <https://websci22.webscience.org/programme/brave-conversations/> side event that will also run on Sunday 26th. PhD Posters We are considering the option to host posters for phd candidates to present their thesis topics and/or for late breaking research results during the conference as a networking opportunity. In case you would be interested in presenting your phd topic or recent research as a poster onsite in Barcelona, please reach out to us before June 10th. All the information is available at https://websci22.webscience.org/ The WebSci’22 organizing committee