I'm gonna risk sounding like the old man in the room, but I have seen a lot of changes in Missouri over the past 4 decades. Some good, some bad and some...well just the natural process of things. I've narrowed them down to 5 good and 5 not so good things about Missouri that have changed over the past 40 years.
Basically, the Milk Crate Challenge (which is also called the Crate Challenge) involves users attempting to climb a staircase made of plastic milk crates without falling. It might sound simple enough, but there have been some stunning wipe-outs.
I think that most of us are aware of the slew of internet "challenges" that have worked their way through our popular culture over the last few years. Some are really good, while others have injured and even killed people.