If you are using Facebook social apps for watching videos, reading content and you don't want your friends or everyone to know about your activity, you can turn this off.
As from November 11th Google will launch a so called Shared Endorsements for products or services which will allow them to use your picture when displaying ads to your friends.
A great deal of smartphone of today enable you to create your personal Wi-Fi hotspot and iPhone 5S certainly is not an exception. Let me show you how to turn your iOS 7 powered device into a wireless hotspot.
Mac OS X Moutain Lion and its Safari web browser sharing options allow you to share and send any web page vie email as a PDF attachment in a matter of two clicks.