Did you know you can add and remove people (including yourself!) from group chats in Messages, among much else?
Read MoreIf your iPhone is running out of power at inopportune moments, follow our tips to extend battery life.
Read MoreWhen you read an email message on your iPhone and delete it, do you have to trash it again when you check mail on your Mac? Or is your email kept in sync such that if you delete a message on one system, it never even appears on the other?
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