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 list so that you can quickly refer to people you've contacted.

An old joke holds that anyone with two mobile phones is either dealing drugs or having an affair – but in fact, there are plenty of legitimate reasons why you’d want to maintain two separate numbers.

You can block or unblock a number on an Android via the built-in Phone app. Calls from numbers you've blocked will go straight to voicemail, and you won't receive any of their text messages. You can ...

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If you're a Verizon customer and having only one phone number isn't cutting it for you, there's a new solution available. Known as My Numbers, Verizon's new service plan lets you add up to four ...