Intruded upon and backed into a corner, but please don't think it would show itself in impolite behaviour, despite my hyperbole above. I am, surprisingly, a quite friendly person.
It is unlikely, however, for you to catch me reading in such a place, being aware of my assorted anxieties and need for undisturbed focus. If I was walking my dogs, however, then your curiosity would be welcome.
Cheers,
Marc (from iPod so apologies for any discontinuity)