Every day, we prepare for the future, either mentally or by taking direct action. We plan our careers, save for retirement, or upgrade our computers so that they can run a game set in the post-apocalyptic world we're hoping to avoid.
However, one new development can change everything — not just how we play, but also how we live and even think, rendering our preparations obsolete and forcing us to adapt to a reality we never saw coming.
Interested in such a scenario, Reddit user AndyTexas invited everyone to speculate and list the possible advancements that, if they came true, would radically redefine humanity. Here are some of the interesting answers they received.
