The event is happening tomorrow (28th August, 17:00UTC) live on Youtube.
Cory Doctorow will be the host for the evening and the following participants will be present:
- Felicia Anthonio (Access Now),
- Vrinda Bhandari (Internet Freedom Foundation ),
- Cecylia Bocovich (Tor Project ),
- Arturo Filastò (OONI )
See you there 
Update: I should drink more coffee before typing in the morning.