Six Infinity Stones of Machine Learning

Now let's say we want to make a system that can detect the whether a mail is SPAM or HAM. The features of a mail can be in millions and that too will keep changing, writing an expert system and detecting the patterns will be a mess. Updating it frequently will be the next level. Machine Learning will be the thing to look for in this case! Now, talking about Machine Learning, let's first try to see the elements of Machine Learning that if you have all then it's just a snap of the fingers.