The event feed and People section is displayed at the side panel of the reception page where you can see the post which can be posted by the organizers or from any of the attendees or speakers as well.
However, spectators can also post their thoughts on the event feed section at the side panel on the home/reception page itself.
Moreover, along with the event feed, an attendee can easily find the profiles of speakers and the profiles of other spectators /attendees by just clicking next to the event feed. There is a section available called people that displayed all the people's profiles at any particular event.