Online dating is the new normal for modern singles. Hundreds of singles websites provide channels for meeting someone special, and indeed, online dating does work. But what about those people who take advantage of the lonely, and use deception to masquerade as someone whom they're not? It's called 'catfishing', and it's a pitfall to watch for. About.com explains more about catfishing here...

_{Photo: Photodisc / Getty}

Rule 34 is both a meme and a humorous truism that claims anything on the Web somehow has pornography attached to it somewhere. Whether it is an innocent picture of world continents, your garden in the back yard, or even aircraft, Rule 34 claims that somewhere there is a sexualized version available online.

About.com explains more about Rule 34 and its alleged origins here...

Would you let an 8-year-old have your credit card? Well, that's basically the situation when you let kids play with your iPhone or iPad. You see, 'in-app' purchasing has become the sneaky standard with 'freemium' app software. If you don't pay attention, you'll rack up hundreds of dollars from your kids trying out in-app software. Here is how you can prevent this unpleasant invoice experience...

_{(photo by Eternity in an Instant / Getty Images)}

Even with wireless technology being commonplace, cable connections are still the foundation for how the Web and Internet transmit. Your laptop and tablet and smartphone ultimately receive and send signals through some kind of a hidden wire. These wires and cables thread underneath our feet, above our heads, and in the walls. Illustrator Mary McDonald has created a useful infographic explaining the four kinds of common internetworking cables and how they work...