Imagine looking back on 2024 ten years from now. What will you consider to have been the event or development to have had the most long-term impact?

Note that, in case of a longer development, it must not have just taken place within 2024; 2024 must have been an important year for it. For example, AI research has been going on for decades; however, even 

 we consider AI to be the most important development of human history, it has not been the most important development within most of the individual years.

The results of this poll will be used to resolve the corresponding market: