3D Printing (a nearly infinite number of knock-on effects). Legal drugs (prohibition is once again losing its sway). Care for people who are 80+ years old. Auto

3D Printing (a nearly infinite number of knock-on effects). Legal drugs (prohibition is once again losing its sway). Care for people who are 80+ years old. Autonomous vehicles. Space travel - I'd love to predict fortunes in it, but it's still a wildcard and a dream.