You still are. It's still considered rude to subject everyone to your cell phone call. These people walk up to the register while on a call, block the sidewalk while distracted, and otherwise are clearly not actually with us in this universe.
http://conversations.nokia.com/2011/07/12/breaking-the-rules...
http://dl.acm.org/citation.cfm?id=2438977
http://formingthethread.wordpress.com/2012/06/13/cell-phone-...
> Or if you drove around showing off your crazy automobile contraption instead of riding a horse like a normal person.
Yep, the 'showing off' part is still douche.
> Or if you wore a timepiece strapped to your wrist, instead of on a chain in your pocket like a proper gentleman. (And later, if the watch on your wrist was some kind of ugly LCD thing, instead of a handsome analog face.)
This one too. Once watches stopped being a functional item (the advent of phones), they became douche status badges.
http://www.nytimes.com/2011/07/07/fashion/watches-are-redisc...
http://www.npr.org/2012/04/30/150719282/in-cell-era-timepiec...