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Why do apps send notifications?

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Answer: Alert users to important updates

Alert users to important updatesCorrect! Notifications inform users of time-sensitive information without opening the app: messages, reminders, breaking news, deliveries, etc. They use push notification services (Apple Push Notification, Firebase Cloud Messaging) that maintain persistent connections. Apps register with these services, which send notifications even when apps aren't running. Users can control which apps send notifications in settings!

Track user locationWrong. Notifications don't track location (though some apps may request location separately). They deliver timely information to keep users informed.

Consume device memoryWrong. Notifications use negligible memory. They're designed to quickly alert users about important information without keeping apps constantly open.

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