Searching the web with Google is a part of almost everyone's daily routine. It's easy to find any information you could want in just a few keystrokes. But have you ever wondered just how search engines like Google actually work?

Let's take a look at the inner workings of Google and see how it knows how to find what you're looking for so efficiently.

Junk mail, also known as spam, is a big annoyance. Whether it's advertisements you never signed up for, poorly-worded scams promising you millions, or inappropriate content, nobody wants it in their inbox.

Though both Gmail and Outlook's built-in spam detection is excellent, sometimes junk mail will slip through.