Apple CEO Tim Cook heralded this year’s_WWDC event_as the biggest ever, thanks to a slew of announcements and features for developers and consumers. One of the most interesting aspects of the event was_the_increased focus on iMessage. In response to the growth of messaging apps, iMessage_is getting_a big revamp in iOS 8. It will feature push-to-talk voice messages, a shortcut for quickly taking_selfie images, support for group chats, and location sharing. In addition, all media is set to self-destruct by default unless the user explicitly saves it onto their device. These new features will make iMessage more like an app than_just...

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