Notify

Notify checks popular sites for new messages.

This extension will save you
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Time - From no longer needing to constantly check various tabs for updates.
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Computer Resources - Rather than having the tabs open to be alerted to new messages, these resources can now be freed up. That means less memory usage, and less processing power, which means longer battery life.
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Focus - You can now stay focused on other things and be alerted only when your attention is needed.

Sites Currently Supported
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Facebook
Google Mail
Google Voice

This extension is completely open source as well. Feel free to download and play around with, modify, or contribute to this project. Find it here: https://github.com/isGregory/Notify