http://greeninc.blogs.nytimes.com/2009/02/19/biking-on-a-brompton-ii-shopping/
Took my Brompton into the Vue cinema in Worcester and no one even noticed. Though I probably could ride a horse into the foyer there and not an eyelid would be batted. Just put it in the row next to my seat, brilliant. If you love your bike, take it out for dinner and a movie.