Old habits die hard. People do indeed dress up for meeting and wear lapel cards for the convention, complete with family photos. There is a tendency to make a convention sandwich too; thick white hoagy, slim meat, wilted lettuce. Take copious notes and stand for songs, wait for a break to pee. I am sure some pretend to stand in line.
Saddest part is everything noteworthy will be summarized here in a 5 minute read. Not counting the videos which MAY be entertaining.