Going to a public place with arguably free electricity, such as a mall, grocery store, gym or library and charging all of your electronic devices while your house is without power, following a tremendous hurricane or storm.
Politics regarding socks- to wear them with certain shoe types, or to go bare. Can be expanded to arguments over sock colours and patterns, with a frequent dispute being whether or not it is acceptable to wear socks to bed.
Guy with swag: "Um, are you wearing socks...with sandals?!"