If you, for example, install multiple media player applications on your Android device, you’ll find that Android will give you the choice of which application to launch by default when you open a media file or document. However, you may later want to change this default setting.
Read more.

Ever surfed for the number of a pizza place on your iPhone and just wanted to dial the phone number straight from the webpage? If you are using the default browser on your iPhone, which is Safari, that's no problem at all.
Read more.

If you are using Internet Explorer and Windows 7, you may have noticed that when you mouse over an IE browser window, a preview of the open tabs in the browser is shown. While this is useful to give you an idea of the sites you have open, it can get annoying if you have multiple tabs open at the same time. If you would prefer to disable this feature, you can.
Read more.

A very useful feature in Microsoft Office is called "AutoRecover", which automatically saves your document at specified time intervals so that in case of an application or system crash, Office can recover its latest version.
Read more.

Leaving your computer for a short time but don't want anyone peeking at your desktop or files? Simply lock it. When you lock your desktop, anyone who wants to use it will have to log in using their username and password.
Read more.

In Microsoft PowerPoint 2010, you can set an animation to trigger when you click on an object. This is a simple way to add and control interactivity to your presentation. To add an animation trigger, select an object that already has animation applied to it.
Read more.

In today’s technologically driven business marketplace one of most often overlooked points of vulnerability to your business and personal security is the strength or weakness of the passwords that you define for usage when logging into: your computer network, email provider, online banking, accounting or payroll applications. To underestimate the importance of strong passwords is to leave the door wide open to identity theft and corporate piracy. Your passwords must be a robust combination of all the characters that are available, must be unique for different applications and must not be a word commonly found in any dictionaries, in any language.
Read more.

Ah, those pesky passwords. If you work in the corporate world or in an office, you have one for your PC/Network and, unless there is a password synchronization application that combines them, you probably have more than one for other applications. Add those to the ones that you have for your home Internet, your banking and other websites that require passwords, and before you know it you have a nightmare on your hands in trying to manage them.
Read more.

With Windows 7, there are easier and faster ways to rename multiple files in one sweep. The first way is to click on a file's name and rename it as usual, then press the "Tab" key to access the next file in the list.
Read more.

Google Chrome allows you the option to search within a specific site. First type the web address of the site you want to search in the address bar, and then press the “Tab” key.
Read more.