Once you enter the sessions tab, you can find the following options of Bookmark, Add Note and Add to Calendar option on the Top Right Corner in the Sessions.
Please refer to the image below to see how it looks like:
Bookmark
The attendees can bookmark any profile by selecting the profile of the speaker and may find those bookmarks in the edit profile to visit or chat with that person later.
Please see the image below to locate this feature:
Take a Note
On the ongoing session, the attendee can find an icon of a pencil next to the session and take notes during the session.
Please refer to the image below to locate this feature:
Add to Calendar
By clicking on the calendar on the session card the attendee will get a pop of various calendar options from which the user can choose to add a session in the calendar.
Please refer to the image below to locate this feature: