How to Delete a Contact on a Mac

Open the Contacts application by clicking on the Dock icon.
Select the contact card you want to delete by clicking on the name of a business or person.
Click 'Edit' in the menu bar at the top of the screen and select the 'Delete Card' option. A drop-down window opens asking you to confirm your decision.
Click 'Delete' in the confirmation window to permanently delete the contact from your Contacts application.
Information in this article applies to Mac computers running OS X 10.9.
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How to Use FaceTime

Tap the 'Phone' application from the home screen of your iOS device.
Tap 'Contacts' in the navigation bar at the bottom of the screen.
Scroll through your list of contacts, then select the contact that you want to have a FaceTime chat with.
Tap the box labeled 'FaceTime' on the contact's screen. The FaceTime application will attempt to contact the other party. Your device rings while FaceTime is contacting the other iOS device. If the other person accepts the connection, your screen will show the other person's image. A small box also appears on the screen displaying the image the other person sees from your device.
Speak to your contact as normal while holding the device directly in front of you so that your contact can clearly see your image on their screen.
Tap the 'Camera' icon at the bottom-right corner of the screen to switch from the camera on the front of your device to the one on the back. Use this feature if you want to show the person you are speaking to an image on the other side of your device.
Tap the 'Mute' button on the bottom-left corner of the screen to prevent the other person from hearing you. Tap the button again to resume audio.
Tap the 'End' button at the bottom of the screen when you are ready to end the call.
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