All events take place online in an event room. Each participating organization has their own event room where candidates can enter the room to ask questions in the main room, or request a private conversation with a representative.
Some organizations may choose to host a presentation or panel discussion using audio and video, whereas others may just be using text chat or engaging with candidates in 1-on-1 interactions.
The following is a link to a 4 min video, which provide basics on how an event works: How Events Work