Where's my jetpack got to? And other sci-fi tech queries

Where's my jetpack got to? We are still waiting for the retro-futuristic tech and social revolutions envisioned in science fiction's old gold, writes Annalee Newitz "You might still be waiting for your jetpacks. There is a game some people like to play when thinking about the future. Call it "Where's my jetpack?" We pore over science fiction from years past (often the years when we were impressionable kids) and ask: "Why didn't we get all the cool stuff we were promised?"