In this age of hyper-connectedness, it's easy to think, "I've heard it all! What else could BuzzFeed tell me to jolt me out of my intellectual boredom?" But then, one fine day, you open the internet and learn about the "trash bin rule." Let's dive in. One week ago, user Softy_popss posed a question that revealed a truth bigger — and far more interesting — than the one it hoped to uncover. The full question was: "Coming from Latin America, I'm used to the 'trash bin rule' to avoid plumbing disasters. The US approach seems like a dream in comparison, but is it really universal? Are there any regions or older buildings where you're still expected to throw it away instead of flushing?" If you hail from the US, you probably have no idea what the "trash bin rule" is. As the question and comments in the thread confirm, though, it's pretty self-explanatory. Simply put, in many parts of Latin America, it's customary for people to toss used toilet paper into a bin, rather than to flush it down the toilet.…