To celebrate the iPod's 10 year anniversary (officially, it was Sunday October 23) we found the perfect infographic to walks us through a brief history of this beloved gadget.

SEO (search engine optimization) is one of those things a lot of people speak of, but not a lot of people really know about. Check out the infographic below for a crash course in what it's all about.

Here's what you need to know. Over one million resumes are sent to Google every year…and only about 5,000 folks are hired. That 0.01% - 0.04% goes through at least 9 steps to get an offer and a whole committee makes the final decision. Check out more details on this and other fun facts about Google's hiring process in the infographic below.

It all began with punch cards. That's right, did you know that those annoying things you may have used to clock in and out at work were once used to read computer data? Okay, you'll have to go back a few years…but they helped Herman Hollerith complete the 1890 census in record time — one year (as opposed to the eight years it took to complete the 1880 census).