In a few generaltions everyone will have his own flying car, just a little later than Popular Science predicted in the 1950s.
Seriously, the trend has been toward higher and higher productivity, which sounds good, but really means that production is largely automated and there are fewer and fewer jobs for actual people. We face the potential of vast production of goods and services, with the profits going entirely to a very very small group of people who own the machines. For the machines to produce more stuff will cost virtually nothing, so why not give it away to those who can find no jobs because there ARE no jobs? Call it Socialism if you want, or call it fair and just distribution of the fruits of the world. And who will be the losers? Nobody. The rich will still be richer than anybody needs to be, and the poor will be rich enough. One way or the other, if there is not to be a violent revolution, the country will have to move toward that model. When I vote "Socialism" it's not because I WANT Socialism. Rather, I am being optimistic, because we could go the other direction, to complete societal collapse, or to a medieval situation where 99.9 percent live in abject poverty and squalor while modern-day kings and knights control enough power to keep the rest of us confined to our hovels.
I have over-simplified, of course. Only the general outline fits in five or six lines. But think about it -- don't think in terms of today's world, where the trends are just beginning to show themselves, think in terms of several generations from now. It could be a great world. The difficulty is in getting successfully from here to there.