It's been a common pastime since the first iron was smelted and the first wheel was crafted: human beings like to predict the future of technology.
But how can we predict what will come next? There are actually some pretty simple tools that we can use, and they're not terribly inaccurate. First, stop wishing. Most predictions of the future are based on wishful thinking. Everyone will have a jet pack, we'll all live on clouds and peace will reign... or not.