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How To: Win Paid Apps for Free

If you're a developer looking to get some exposure for your high-quality app, or if you're a user hunting for new apps and would like a chance to win a paid app at no cost, then Jack Underwood's new Promo Codes app may get you there, which you can install for free from the Google Play Store.

How To: Make Room for Your New Gadgets (And Get Some Cash in the Process)

There's nothing like buying an awesome new gadget, but it leaves you with one problem (besides an empty wallet)—what do you do with the ones you already have? There are plenty of ways to put your old gadgets to use, but if you'd rather get rid of them, you may as well get something out of it, right? Here are five places where you can recycle your electronics and replenish your cash stash.

How To: Turn Your Smartphone Pics into Extra Cash with These Android and iPhone Apps

Everything is documented these days, thanks to the Internet and mobile devices. Most people who own a smartphone use it to take lots of pictures. If you're one of those people, an app called Scoopshot can help you turn some of those photos into extra cash. Scoopshots lets you post your pics so that news organizations can pay you to use them. Companies can also post tasks, so if someone is looking for a particular photo in your area, you can accept the task, go take the photo, and earn money f...

How To: Solve algebraic equations with the y = mx+b format

This video shows us how to solve algebraic equations with the y = mx+b format. When talking about solving y=mx+b format, it’s about solving linear equations so that y is on one side and with some terms x on the other side. Here in this equation 'm' is actually the slope of the line and slope= (rise/run) and it is interrupted with the term 'b'. This can be explained by taking an example of the same format. In the example 2x+3y=9, we need to shift the term '2x' to the other side so that the equ...

How To: Earn 'The Throwdown' achievement in Deus Ex: Human Revolution

There are many different achievements unlockable in Deus Ex: Human Revolution, but this guide walks you specifically through earning 'The Throwdown'. This is a dialogue achievement that requires you to convince a politician to tell the truth. We all know how hard an achievement like that could be, so look at this walkthrough to learn which dialogue options to pick to sway him.

How To: Using the gradient mesh tool in Adobe Illustrator to make a realistic guava

Want to figure out that illustrious feature in Adobe Illustrator that everyone's talking about? The gradient mesh tool? This Illustrator tool can help create beautiful and photo-realistic vector images, like this example of a guava fruit. Learn how you can master the gradient mesh tool, which isn't easy— it requires patience and passion, so just keep practicing until you've got it down pat!

How To: Smooth American buttercream using a spatula

American buttercream, made from copious amounts of butter and powdered sugar, forms a particularly thin crust because of the high sugar content, which prevents sticking. American buttercream requires special methods to smooth it out so it lies even on top of a cake, so if you're working with it on your next cake project, check out this video to see how to smooth things out using a spatula.

How To: Take care of hermit crabs

Hermit crabs are a cool pet to own and are generally pretty low key. But taking care of them is a chore in itself and requires some very specific needs! In this video you will get some basic care tips including constructing his environment, foods and more!

How To: Make a DIY magic wooden paddle in 5 minutes

If you love both woodworking and magic, then you have come to the right place! This video will show you how to make a cool DIY magic paddle with stars on it. For the trick, you can appear to remove the stars from one side and have them disappear from the other side as well. It has some other good magic tricks as well that don't require any carpentry skills.

How To: Change your Facebook Places privacy settings

Want to know how to turn off Facebook Places? This quick clip from Lifehacker will teach you everything you'll need to know. Whether you're completely new to the Facebook's popular social networking site or simply require a small amount of clarification on how to deal with the Places feature, you're sure to benefit from this helpful video guide. For more information, including detailed, step-by-step instructions, take a look.

How To: Change the web address of your Facebook profile

Looking for instructions on how to change your Facebook URL? This clip will show you how it's done. Whether you're completely new to the Facebook's popular social networking site or simply require a small amount of clarification on how to perform a particular task on Facebook, you're sure to benefit from this helpful video guide. For more information, including detailed, step-by-step instructions, take a look.

How To: Use the TextNow 4.0 App to send unlimited texts on the iPhone

TextNow is a great App for the iPhone that allows you to, for a $1 initial fee, send unlimited text messages to any other TextNow user without using any of the precious limited texts on your AT&T plan. The App is very easy to use, requires only a modest amount of additional money to keep using it forever, and will probably wind up saving you money in the long run by cutting down your monthly billed texts.

How To: Solve math problems with the commutative law of addition

From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to unpack and solve word problems requiring use of the commutative law of addition.

How To: Solve math problems with the commutative law of multiplication

From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to unpack and solve word problems requiring use of the commutative law of addition.

How To: Solve math problems with the associative law of addition

From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to unpack and solve word problems requiring use of the associative law of addition.

How To: Solve math problems with the associative law of multiplication

From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to unpack and solve problems requiring use of the associate law of multiplication.

How To: Teach your pet bird some manners

In this tutorial, pet expert Marc Morrone teaches you how to teach your feathered friends some manners so that they don't squawk all day and night. Parrots and other exotic birds are essentially wild animals kept in captivity and are not domesticated like dogs and cats, so they require a tad more patience with their training. Follow along with this clip and learn all about your birds and how to teach them a little respect.

How To: Perform the "Drop Spark" Zippo lighter trick

In this clip, learn how to perform the Drop Spark with your Zippo. This trick requires a fast hand and practice but when you do master it, it's pretty cool. Basically, you will be dropping your lighter to spark it, so that it looks like you lit the flame effortlessly. Follow along and impress your friends the next time they ask for a light.

How To: Get the Spot Monopolist achievement in Skate 3

If you have Skate 3 for the Xbox 360, here's a tutorial on how to get 30 points to add to your gamerscore. In this video, you'll find out how to get the Spot Monopolist achievement in the Industrial area. It can be a difficult achievement to unlock so, it will require all of your skills to unlock some big points! Good luck and enjoy!

How To: Fix a loose bearing on Shimano Octolink bottom bracket

This video will help you perform a rather elaborate piece of bicycle maintenance, overhauling and fixing a loose bearing in a Shimano Octolink pipe spindle bottom bracket. It is a long, complicated process that requires some specialized bike maintenance tools, but if you have these and are ready to increase the amount of maintenance that you are performing on your bike yourself, this video will walk you through the process in great detail and at a manageable pace.

How To: Casting and baiting a feeder rod

For those particular attached to one sort of fishing, like fly fishing or float fishing, trying and mastering a different type of fishing can be a scary process, requiring a departure form the comfort zone that is at the core of the enjoyment of fishing. This video features a professional fisherman explaining how to properly bait, cast, and then reel in fish using a feeder rod. He breaks it down into very simple steps that should enable any fisherman to try this type of fishing and catch fish.