a) InIn my country, the people traditionally known as yuppies has grown and they are now something like "middle-aged urban bourgeois Bohemians". Today's youth have changed habits and they expend more money in technological gadgets or expensive hobbies, but they don't mind for their aspect as Yuppies did, having a more casual look.
b) Labels.
"Yuppies" comes from YUP, which stands for "young urban professionals". Can you invent some labels to describe different social groups?
Yes, for example :
AGAF: Apple-Gadget Fanatic
There are the legion of people (usually twenty-aged) who can't live without the new gadget of the Apple brand. They always are attending to the next gadget launching or buiyng the new accessories for the existent ones. They're used to buy the first version of the gadgets, buying the improved versions later. They don't like to have any technological thing which name doesn't begin for an i minuscula.