How to Add Someone's Phone Number to Your Contacts on Gmail. When you send or receive mail to or from someone in Gmail, a record of that person's name and email address is made in Gmail's contacts ...

Having friends with an office job in the typical corporate environment often times means having to dial a desk phone with an extension. As Lifehacker points out, this usually results in having to ...

WhatsApp is one of the most popular messaging apps on the planet. Here's how to add your iOS and Android contacts to your WhatsApp list to easily stay in touch.