for conference sessions. a lot of sessions won’t allow you to enter the conference room if you’re running late. of course, try to have your phone on silent and don’t have any side conversations as rule of thumb. there will be times when rooms are booked and some people are sitting on the floor or standing up. not all conferences allow this. some will close the room once it's full. this is when being on time is key if you really want to attend that season. if you're unable to attend it, and you meet someone that did. ask them if you can exchange notes.
do you have any first-time conference 