Linguistic changes I'm not necessarily thrilled about: 'biker,' used to mean 'bicyclist'; 'gauge,' used in the context of piercing as anything other than a unit of measurement.
Unrelated linkdump: Oh Word has a nice gallery of Beijing graffiti
. Here's a gorgeous MAME cabinet
. And here's Dark Forces Swing Blind Punches' Tony Oxley mixtape
. Oh, and DIY audiophile projects