From the excellent Academia.edu site, I wrote:
That’s easy. Watching my fellow worshipers at daily and week-end mass waving and smiling at everyone else in the church in a remarkable show of brush-by behavior.
One can maybe catch one for a friendly smile, maybe, because almost no one wants to do more than catch an eye and get on to the next one. Hands wave like, oh reeds shaken by the wind, to use a Gospel phrase. Quite a scene.
Enough of quoting myself, something I wrote five minutes ago as if I’d found it in a weathered manuscript.
Dominus Vobiscum: Notes from a massgoer's underground 