How to add a phone number to iMessage on a Mac, and receive messages on your computer

You can add your iPhone's phone number to iMessage on your Mac computer with a few quick steps on your iPhone and Mac. Here's ...

How to add contacts on Skype to quickly make calls and start chats, on desktop or mobile

You can add contacts on Skype by opening your Contacts list and searching for a name, phone number, or email address. Here's how to do it.