Gmail: How to sign into your Google or Gmail account
and creating a Google account creates a Gmail account. If you have an iPhone, you'll go through several steps to use Gmail ...
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How to use Google Hangouts on your iPhone to start calls and messages, including group conversations
To get started, be sure to install the Google Hangouts app from the App Store and log in with your Google account. Here's how to use it on your iPhone. How to use Google Hangouts on your iPhone 1.