So, what is machine learning anyways? Here's a quick breakdown

Machine learning differs from human learning, insofar as the machine only knows what you tell it: A computer can't express curiosity or make inferences. For example, if you watch a lot of scifi movies on Netflix, you might find Stranger Things in your suggestion queue. But it's only a matter of math, based on Netflix's data alone -- if you've never told Netflix that you love documentaries, or rated one highly, the system will likely never show you one.