The goal of machine learning is to let computers possess the ability to learn. Just like human.
Through training, humans can “understand” an object. And the computer scientists are also trying to bestow this kind of ability onto computers. Hoping that, one day, AI can truly manifest as intelligent programs.
What’s the point of machine learning?
An electricity powered brain can function nonstop, and has quicker reflex than human. Also it can work in multiple fields and into trivial details that human brains can not succeed in. Like in medical field, electronic manufacturing etc.