To connect with other participants directly, search for their name and click the "Invite to Chat" button beneath their profile.
Your invite will prompt them (via email) to join your private chat room. To accept the invitation, the invitee can respond to your email to confirm that they will join the room immediately or propose an alternate time.
To access your private chat room, use the button ('Your Personal Room') on the right.
Please monitor your email inbox for invites from your fellow attendees.