When you look back at how people lived 50 years ago, in 1975, many things appear quite ridiculous through a modern lens. Back then, people used to smoke everywhere, it was common for people to throw litter out of their car windows while driving, and they rarely wore seatbelts. In retrospect, it seems like a pretty savage time. That begs the question: what things will people do in 2025 that will appear ridiculous when those in 2075 look back on us? There are likely to be many aspects of our ev...