Opinions expressed by Entrepreneur contributors are their own. By 2025, more than 4.5 billion people worldwide will have at least one email address. Email is a profitable marketing channel because it ...

Here’s a helpful trick if you’ve ever struggled to find an old Gmail contact or unsaved number on Android: it turns out that Google keeps a list of every Gmail account you’ve ever sent or received an ...

Manually entering all of your contacts into your iPad can be a grueling process. As to be expected with new tablets, the device eliminates this task by including automatic prompts allowing you to ...

How to create and manage multiple contact lists on your iPhone Your email has been sent The Contacts app on your iPhone helps you keep track of friends, colleagues, contractors and other people you ...

When apps ask for access to your address book and you consent, the data-sharing doesn’t always stop there. The names and contact information that used to stay safe in analog address books now float ...