Am I the only person who thinks that personal jetpacks are, for the general populations, a horrible idea? Ditto flying cars?
But let's look at this another direction. A friend of mine spent the day with his father, who was having doctors' appointments preparatory to surgery. Eye surgery. Where, apparently, he'll be having part of the lens of his eye replaced. In a way which certainly wasn't possible before. I mean, we donated my dad's corneas when he died, but the lens? Isn't that amazing? Isn't having this conversation at all amazing? No, we don't have Moon colonies, because no one wanted to spend the money for Moon colonies. But last night, I sent a message to a cousin I haven't seen since some time in the mid-'90s and who lives in California, and he got back to me within hours. Twenty years ago, we wouldn't even communicate with each other, but today, we could in theory have a real-time conversation without paying long distance charges.
"Now everyone was giving her that kind of look UFOlogists get when they suddenly say, 'Hey, if you shade your eyes you can see it is just a flock of geese after all.'"
"You can't erase icing."
"I can't believe it doesn't work! I found it on the internet, man!"