I would have to conclude that no one under 70 saw the movie and that I was the youngest person to ever watch it.
I've been to those sorts of showings, too.
And in terms of people in the theaters, up to and including Thursday DS was never any lower than the 4th biggest moneymaker for the day - and there are dozens of films in release that are still being tracked. And if Friday's estimates hold, with Friday's box office DS already reached the Top 15 for the year so far. And throughout the holiday weekend it should only climb up higher...
And as far as the billboards, banners, and whatever go, we need to keep in mind that hardly any films are ever promoted beyond their 2nd week of release. Yesterday DS started its 3rd.
15 days 14 hours 44 minutes 28 seconds since the Depp/Burton Dark Shadows has been in release(ET)!!