Stop your Mac from sleeping without an application
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Stop your Mac from sleeping without an application

A few months back, we blogged about 7 applications for your Mac to prevent it from sleeping. While these programs make the process extremely simple, OSX Mountain Lion comes inbuilt with a ready command line tool that makes this process extremely easy. Fire up Terminal and run the following command: caffeinate -i -t 36000 & The command above will tell OS X to not sleep on idle (-i) and to keep running for 36,000 seconds or 10 hours (-t 36000).

4 x 4S: How Does the New iPhone Compare Against its Predecessor?
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4 x 4S: How Does the New iPhone Compare Against its Predecessor?

It doesn’t have a bigger screen, and the handset is ostensibly identical, but on the inside, the iPhone 4S has certainly improved. Much of the attention surrounding the release of iPhone 4S deals has focused on the differences between the extant iPhone and the model that’s set to take its place.  Here’s an overview of the main reasons why the 4S is a single letter and a whole world ahead of the iPhone 4.

How To Call Your Friends Free Of Cost Using Wifi On iDevices and Android
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How To Call Your Friends Free Of Cost Using Wifi On iDevices and Android

Thanks to the internet we now have the convenience to call our friends and family members for free no matter where they are. For those who own an iPhone and would like to call their loved ones from any part of the world where they have access to a wifi connection they can use Tango! Tango is a brilliant free iPhone video calling service that connects people around the world with friends and family no matter where they are.