Application Notifications:

• Direct messages

  Messages from people you follow
• Show desktop notifications

  Choose the option you want as your default setting. Block a site: Next to "Not allowed to send notifications," click Add.
• Show email notifications

  Under Settings, choose Notifications. Under Select an account, choose the account to enable notifications for.
• Show chat notifications

  To prevent duplicate mobile notifications from the Gmail and Chat apps, in settings, turn off Chat notifications.
• Show purchase notifications

  Get real-time purchase alerts to protect yourself from fraudulent charges.