Digital cameras: These cameras changed the way I capture and share memories and how I see the worlds of my friends, family, and complete strangers. While more of my friends than ever before sling fancy digital SLRs, the only digital camera I've used in the last 15 months or so is the one in my iPhone. The other day, when someone took a group portrait with a point-and-shoot digital camera, several of us in the picture commented on how long it had been since we had used an "old-fashioned" camera.
Two modern states characterized by Spartan suppression of the individual are: Nazi Germany and Communist Russia, since these were very extractive and violent institutions (although Nazi Germany was worse).